Acronyms

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A

A&WS

Application and Web Services

A/D

Analog to Digital

A/G

Air-to-Ground

A/V

Audio/Video

AA

Associate Administrator

AAA

Authentication, Authorization and Accounting

AADS

Ascent Air Data System

AAP

Affirmative Action Plan

AARNET

Australian Academic & Research Network

AAS

Agencywide Administrative Systems

AASE

Airborne Arctic Stratospheric Expedition

AASO

Agency Accounting Systems Office

AATT

Advanced Aircraft Transportations Technologies

Abend

Abnormal end

ABR

Available Bit Rate

ABS

Automated Billing System

ABS

Acrylonitrile butadiene styrene - Common material in 3D printers

AC

Alternating Current

ACA

Associate Contractor Agreement

ACB

Access Control Block

ACC

Analog Conversion Card

ACD

Active Circuits Directory

ACD

Architectural Control Document

ACE

Advanced Composition Explorer

ACE

Application Characterization Environment

ACF

Access Control Facility

ACI

Administratively Controlled Information

ACI/SBU

Administratively Controlled Information/Sensitive But Unclassified

Ack

Acknowledgement

ACL

Access Control List

ACM

Attitude Control Motor

ACP

Activity Contention Period

ACR

Administrator's Conference Room

ACRIMSAT

Active Cavity Radiometer Irradiance Satellite

ACRV

Assured Crew Return Vehicle

ACS

Advanced Communications Services

ACTS

Advanced Communications Technology Satellite

ACWP

Actual Cost of Work Performed

AD

Active Directory

AD&I

Avionics Design and Integration

ADB

Applications Development Branch

ADD

Architecture Description Document

ADEOS

Advanced Earth Observing System

ADP

Automated Data Processing

ADPE

Automatic Data Processing Equipment

ADSR

Agencywide Information Management (AIM) Document Specifications Requirements

ADU

Asynchronous Data Unit

AEE

Advanced Engineering Environment

AES

Advanced Encryption Standard

AETD

Applied Engineering and Technology directorate

AfAS

Adapters for Application Servers

AFB

Air Force Base

AFRC

Armstrong Flight Research Center

AFRTS

Armed Forces Radio and Television Service

AFSCN

Air Force Satellite Control Network

AGC

Automatic Gain Control

AGMEMS

AT&T Government Markets Enterprise Management System

AGO

Santiago, Chile, Tracking Station

AGS

Alaska Ground Station

AGS

Americom Government Services

AGS

Poker Flat Research Range

AIP

Automated Interface Processors

AIS

Automated information Security

AIU

Antenna Interface Unit

AIX

Advanced Interactive Executive

ALC

Agency Location Code

ALHAT

Autonomous Landing and Hazard Avoidance Technology

AMMOS

Advanced Multi-mission Operations Systems

AMOS

Automated Mission Operations System

AMX

AMX is the name of a company now known as Panja

ANC

Active Nutation Control

A new Acronym goes here

ANCC

Auxiliary Network Control Center

ANI

Automated Numbering System

ANIWG

Aqua Network Implementation Working Group

ANSER

Analytical Services

ANTL

NREN Laboratory at ARC

ANVIL

Army-NASA Virtual Innovations Laboratory

AO

Authorizing Official

AoE

Area of Emphasis

AOPNS

Activity & Outage Posting & Notification System

AP

Audio Perfect

AP

Array Processor

AP

Application Protocol

APAN

Asian Pacific Area Network

APAS

Androgynous Peripheral Assembly System

APC

Vendor - American Power Conversion

APC

Hardware - Advanced processed control

APDA

Androgynous Peripheral Docking Assembly

APGN

Alaska Polar Ground Network

API

Applications Programming Interface

APL

Applied Physics Laboratory

APM

Associate Program Manager

APS

reference ECANS project

APU

Auxiliary Power Unit

AQF

Astronaut Quarantine Facility

Aqua

Name of Project

AR

Annual Review

AR

Anomaly Report

AR&D

Automated Rendezvous & Docking

ARC

Ames Research Center

ARIN

American Registry for Internet Numbers

ARSW

Action Request System Web

ARTCC

Air Route Traffic Control Center

AS

Ascent Stage

AS&T

Atlantic Science and Technology

ASAP

As soon as possible

ASCC

Academia Sinica Computing Centre

ASCII

American Standard Code Information Interchange

ASF

Alaska Satellite Facility

ASI

Italian Space Agency/Agency Space Italiana

ASI

Agenzia Spaziale Italiana (Italian Space Agency)

ASI

Arion Systems, Inc.

ASMS

Antenna Simulator and Modeling System

ASN

Autonomous System Number

ASN

Access Stack Node

ASP

Attached Satellite Payload

ASR

Agency Service Request

ASRI

Allied Signal Research, Inc. (Company name)

ASRS

Automated Support Requirement System

ASTER

Advance Spaceborne Thermal Emission and Reflection

ASU

Arizona State University

ASUS

Agency Security Upgrade Service

AT

Architecture Team

AT

Acceptance Test

AT&T

American Telephone and Telegraph

ATC

Lockheed-Martin Advanced Technology Center

ATCS

Active Thermal Control System

ATK

Alliant Techsystems

ATM

Asynchronous Transfer Mode

ATP

Authorization to Proceed

ATV

All-Terrain Vehicle

AUI

Attachment Unit Interface

Aura

Name of Mission

AV

Anti-VirusA computer virus is defined by Symantec as being a parasitic program written intentionally to enter a computer without the user's permission or knowledge.

AWAS

Airfield Wind Advisory System

AWINS

Agency Widows Internet Naming Services

AXAF

Advanced X-Ray Astrophysics Facility

B

BAFM

Business and Financial Management

BAFO

Best and Final Offer

BAH

Booz, Allen and Hamilton

BASP

Ball AeroSpace

BB

Bit Block

BBC

British Broadcasting Corporation

BCCP

Business Continuity and Contingency Plan

BCR

Budget Cost Request

BCU

Booster Controller Unit/Booster Control Unit

BCWP

Budgeted Cost of Work Performed

BCWS

Budget Cost of Work Scheduled

BDA

Bermuda

BERK

University of California, Berkeley

BERT

Bit Error Rate Test

BET

Best Estimate Trajectory

BFS

reference ECANS project

BGP

Border Gateway Protocol

BGT

Card Cage

BIND

Berkeley Internet Name Daemon

BIOS

Basic Input/Output System

BLDR

University of Colorado at Boulder

BLOS

Bigelow Laboratory for Ocean Sciences

BMC

Company that provides Remedy Software

BMCC

Boeing Mission Control Center, El Segundo, CA

BNC

Bayonet Neill-Concelman (a connector)

BOAC

Billing Office Account Code

BOE

Basis of Estimate

BOM

Bill of Materials

BOP

Big Optical Pipe or preferably ̐ Mission Support Backbone Upgrade

BPC

Boost Protective Cover

bps

Bits per second

BPX

Broadband Packet Exchange

BRI

Basic Rate Interface

BRT

Business and Restricted Technology

BSM

Booster Separation Motor

BSOD

Blue Screen of Death

BSS

Best Source Select

BWG

Beam Wave Guide

BXM

Broadband Switch Module

C

C&A

Certification and Accreditation

C&T

Command & Telemetry

C-SAFS

Central Standard Autonomous File Server

C/A

Computer Associates

C/NOFS

Communications/Navigation Outage Forecasting System

C/O

Checkout

C3I

Communication, Command, Control & Information

CACS

Computer Access Control System

CAD

Computer Aided Design

CADU

Channel Access Data Units

CAIB

Columbia Accident Investigation Board

CAIL

reference ECANS project

CAITS

Centerwide Action Item Tracking System

CALIPSO

Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation

CaLV

Cargo Launch Vehicle

CAM

Cost Account Manager

CAMB

Cambridge, MA

CANDOS

Communications and Navigation Demonstration On Shuttle

CANET*4

Canadian Research Network - Autonomous System Number (ASN) 4

CAP

Cost Account Plan

CAP

Cost Action Plan

CAP

Corrective Action Plan

CAP

Command and Attitude Processor

CAR

Corrective Action Report

CARD

Constellation Architecture Description Document

CARR

Center for Applied Radiation Research

CASI

Center for Aerospace Information

CAT

D

D/A

Directory Assistance

DAAC

Distributive Active Archive Center

DAC

Design Analysis Cycle

DACS

Directory Access Control System

DARPA

Defense Advanced Research Projects Agency

DART

Disaster Assessment Recovery Team

DAS

Demand Access System

DAS

Demand Access System

DAT

Disaster Assessment Team

DAU

Data Acquisition Unit

DAV

Descent Ascent Vehicle - reference ECANS project

dB

decibel

DB

Database

DBA

Data Base Administrator

dBm

Decibel (refers to 1 Milliwatt)

DBR

Data Base Record

DC

District of Columbia

DC

Direct Current

DCF

Data Capture Facility

DCMA

Defense Contract Management Agency

DCN

Document Change Notice

DCNSS

Data Center Network and Security Services

DCOM

Distributed Component Object Model

DCP

Docking Control Panel

DCR

Data Change Request

DCS

Design/Cost/Schedule

DCSO

Directorate Computer Security Official

DDCS

Document and Data Control System

DDDS

Data Distribution Data Services

DDOS

Distributed Denial of Service

DDS

Data Distribution System

DECNET

Digital Equipment Corporation Network

DFI

Developmental Flight Instrumentation

DHCP

Dynamic Host Configuration Protocol

DiD/DoD

Direct In-Dial/Direct Out-Dial

DIMM

Dual In-line Memory Module

DISA

Defense Information Systems Agency

DISO-UNRRA

Defense Information Services Organization - United National Relief and Rehabilitation Administration

DITSM

Deputy Information Technology Security Manager

DLL

Data Link Libraries (DLLs)

DLN

Distance Learning Network

DLT

Digital Linear Tape

DLT/DAT

Tape Formats

DMI

Desktop Management Interface

DMR

Detailed Mission Requirement

DMR

Data Move Request

DMS

Digital Matrix Switch

DMZ

Demilitarized Zone

DNS

Domain Name Service

DNV

Det Norske Veritas

DoC

Department of Commerce

DoD

Department of Defense

DOF

Degree of Freedom

DOM

Date of Memorandum

DOMSAT

Domestic Satellite

DOS

Disk Operating Systems

DPI

Data Processing Installation

DPS

Descent Propulsion System

DR

Discrepancy Report

DR

Drafting Request

DR

Disaster Recovery

DRAM

Dynamic Random Access Memory

DRC

Data Reduction Center

DRD

Data Requirement Document

DREN

Defense Research and Education Network

DRM

Design Reference Missions

DRS

Discrepancy Reporting System

DRT

Disaster Recovery Team

DRTC

Disaster Recovery Team Coordinator

DRTS

Decommission Readiness Test Set

DS

Digital Signal

DS

Descent Stage

DSL

Digital Subscriber Line

DSM

Data Service Manager

DSMC

Data Services Management Center

DSN

Deep Space Network

DSN-IP

Deep Space Network International Partner

DSNCC

Deep Space Network Communications Complex

DSNet

Distributed Simulation Network

DSOC

Deep Space Operation Center

DSP

Descent Stage Propulsion

DSS

Documentation Support Services

DSS

Destination Surface Segment

DSS

Decision Support System

DSS

Deep Space Station

DSU

Data Services Unit

DSX

Digital Services Cross Connect

DTIC

Defense Technical Information Center

DTS

Distributed Teleconferencing System

DTV

Digital Television

DVCS

Data/Voice Communications System

DVD

Digital Video Disk

DVIS

Digital Voice Intercommunication System

E

E&M

Ear and Mouth Signaling

EA

Enterprise Architecture

EA SSTB

Enterprise Architecture Systems & Servers Technical Board

EA-NET

Enterprise Architecture ̐ Network Architecture Technical Board

EAC

Estimate at Completion

EAC

Emergency Action Console

EAFB

Edwards Air Force Base

EBNET

EOSDIS Backbone Network

EC

Engineering Change

ECANS

Exploration Communications and Navigation System

ECC

Error Correcting Code (has to do with memory)

ECC

Emergency Control Center

ECD

Estimated Completion Date

ECITS

Executive Council Information Technology Security

ECL

Emitter Coupled Logic

ECLSS

Environmental Control and Life Support System

ECOMM

Emergency Communications

ECP

Engineering Change Proposal

ECP

Emergency Command Post

ECR

Engineering Change Request

ECS

Environmental Control System

EDC

EOS Data Center

EDC

Engineering Design Change

EDOS

EOS Data and Operations System

EDS

Earth Departure Stage

EELV

Evolved Expendable Launch Vehicle

EGD

Entropy Gathering Daemon

EGP

Exterior Gateway Protocol

EH

Environmental Health

EHRS

Electronic Health Records System

EHS

Enhanced Huntsville Operations Support Center (HOSC) System (EHS)

EIA

Electronic Industries Alliance

EIGRP

Enhanced Interior Gateway Routing Protocol

EIP

Ethernet Interface Processor

EIP

Engineering Implementation Package

EIRR

External Independent Readiness Review

EIS

External Interface System

EIS

Enterprise Information System

EISD

Estimated In-Service Date

EITSB

Enterprise Information Technology Security Branch

ELI

Electric Lightwave Network

ELV

Expendable Launch Vehicles

EMA

Electromechanical Actuator

EMAN

Ecological Monitoring and Assessment Network (Canadian)

EMC

Emergency Management Center

EMON

Enterprise Monitoring

EMS

Electronic Maintenance Section

EMSnet

Emergency Management System

ENMC

Enterprise Network Management Center

ENMS

Enterprise Network Management System

ENPL

Earth Observatory System (EOS) Laboratory

ENVISAT

Environmental satellite

EO

Engineering Order

EOC

Emergency Operations Center

EOI

Earth Orbit Injection

EOL

End of Life

EOM

End of Mission

EOR

Earth Orbit Rendezvous

EOS

Earth Observing System

EOSDIS

EOS Data Information System

EP

Estimated Personnel

EPA

Environmental Protection Agency

EPACS

Enterprise Physical Access Control System

EPGN

EOS Polar Ground Network

EPGS

EOS Polar Ground Station

EPIC

EHS PDSS Integrated Changeout

EPO

Emergency Power OFF

EPOCC

Enhanced Photo Optic Control Center

Eport

Electronic Project Online Reporting Tool

EPS

Electrical Power System

ERB

EIP Review Board

ERBE

Earth Radiation Budget Experiment

ERBS

Earth Radiation Budget Satellite

EROS

Earth Resources Observation Systems

EROS

Earth Radiation Observatory Satellite

EROSEDC

Earth Resources Observation Systems (EROS) Data Center

ERPS

EOS Real Time Processing System

ERS

European Space Agency Remote Satellite

ERSDAC

Earth Remote Sensing Data Analysis Center

ESA

European Space Agency

ESAS

Exploration Systems Architecture Study

ESB

Earth-Swing-By

ESDIS

Earth Science Data and Information System

ESMD

Exploration Systems Missions Directorate

ESNet

Energy Sciences Network

ESOC

ESA Space Operations Center

ESSP

Earth System Science Pathfinder

ESTEC

ESA Science and Technology Center

ESTL

Electronic System Test Laboratory

ET

External Tank

ET TV

External Tank Television

ETC

Estimate to Complete

ETDP

Exploration Technology Development Program

ETE

End-To-End

ETH

Ethernet

ETM

Engineering Test Motor

ETO

Earth-to-Orbit

ETS

EOSDIS Test System

ETTV

External Tank Television

EUVE

Extreme Ultraviolet Explorer

EV

Earned Value

EVA

Extra Vehicular Activity

EvoDS

Enhanced Voice Distribution System

ExTF

reference ECANS project

F

F/S

Full Service

FAA

Federal Aviation Administration

FAQ

Frequently Asked Questions

FAR

Federal Acquisition Regulation

FAST

Fast Auroral Snapshot Explorer

FAST IP

Fast Internet Protocol

FastE

Fast Ethernet

FAT

File Allocation Tables

FAX

facsimile

FBI

Federal Bureau of Investigation

FCC

Federal Communications Commission

FCC

Flight Critical Computers - reference ECANS

FCDAS

Fairbanks Command and Data Acquisition Station

FD

Flight Dynamics

FD

Flight Demonstration

FDDI

Fiber Distributed Data Interface

FDF

Flight Dynamics Facility

FDF

Flight Data File

FDIR

Fault Detection, Isolation and Recovery

FDO

Flight Dynamics Officer

FDSDIC

Flight Dynamics Systems Development and Integration Center

FDX

Full Duplex

FEA

Federal Enterprise Architecture

FECC

Far End Camera Control

FEL

First Element Load

FEMA

Federal Emergency Management Agency

FEP

Front-End Processor

FER

Freeze Exemption Request

FFSC

Full-flow Staged Combustion

FIPS

Federal Information Processing Standard

FIRENet

Facilities Integrated Resources Environment Network

FIRST

For Inspiration and Recognition of Science and Technology

FISMA

Federal Information Security Management Act

FIT

Florida Institute of Technology

FIX

Federal Internet Exchange

FM

Frequency Modulation

FMD

Facilities Management Division

FN

First Name

FOC

Firm Order Commitment

FOIG

Flight Operations Integrity Group

FOM

Facility Operations Manager

FOT

Flight Operations Team

FPD

Flight Projects Department

FPDS

Fire Protection, Detection, and Suppression

FPR

Flight Propellant Reserve

FRD

Flight Requirements Document

Freestar

Fast Reaction Experiments Enabling Science Technology Applications and Research

FRR

Flight Readiness Review

FRS

Federal Relay Service

FRT

Flight Readiness Test

FS

First Stage

FSA

Factory Service Agreement

FSAM

Final Service Advisory Message

FSCK

Unix command to repair damaged files

FSM

Full Scale Motor

FSM

Flight Support Motor

FSM

Facility Systems Manager

FSSU

Fault Sensing and Switching Unit

FT

Fault Tolerance

FTE

Full-Time Equivalent

FTP

Front-end Telemetry Processor

FTP

File Transfer Protocol

FURB

Facilities Utilization Review Board

FUSE

Far Ultraviolet Spectroscopic Explorer

FUSF

Federal Universal Service Fund

FV

First Virtual Corporation

FW

Firewall

FX

Model Name (not an acronym)

FY

Fiscal Year

G

G&A

General and Administrative

GAL

Global Address List

GAS

Gateway Assignment Sheet

GB

Gigabyte

GBps

Gigabytes per second

Gbps

Giga bits per second

GCAI

Ground Camera Ascent Imagery

GCC

Goddard Comm Center

GCMR

Ground Configuration Message Request

GCP

Goddard Corporate Park

GCTC

Gagarin Cosmonaut Training Center

GDC

General DataCom GDC

GDP

General Data Products

GDPRO

Goldstone Project Requirements Office

GDS

Ground Data System

GDS

Goldstone Deep Space Network Tracking Facility

GDSCC

Goldstone Deep Space Communications Complex

GEACS

Goddard E-mail and Calendaring Service

GEAM

GE Americom

GEI

reference ECANS project

GEIP

Gigabit Ethernet Interface Processor

Geotail

Japanese-U.S. mission to study magnetospheric processes in distant geomagnetic tail

GFAC

Goldstone Frequency and Airspace Coordination

GFE

Government Furnished Equipment

GFF

Government Furnished Facility

GFY

Government Fiscal Year

GGS

Getronics Government Solutions

GGSG

Geodynamics Geophysics and Space Geodessy

GHz

Gigahertz

GIANT

Globally Interconnected Advanced Networked Telepresence

GigE

Gigabit Ethernet

GILB

Gilbert, AZ

GISS

Goddard Institute for Space Studies

GLAST

Gamma-ray Large Area Space Telescope

GLOBE

Global Learning and Observations to Benefit the Earth

GLOW

Gross Liftoff Weight

GMT

Greenwich Mean Time

GN

Ground Network

GN&C

Guidance, Navigation and Control

GNE

Goddard Network Environment

GO

Ground Operations

GOES

Geosynchronous Operational Environmental Satellite

GOPS

Gateway Operations

GOTS

Government Off The Shelf

GOX

Gaseous Oxygen

GP

Gravity Probe

GPB

Gravity Probe B

GPC

General Purpose Computer

GPP

General-Purpose Post-Processor

GPR

Goddard Procedural Requirement

GPS

Global Positioning System

GRACE

Gravity Recovery and Climate Experiment

GRC

Glenn Research Center

GRC-TL

Glenn Research Center Technology Laboratory

GRE

Generic Routing Encapsulation

GRGT

Guam Remote Ground Terminal

GRO

Gamma Ray Observatory

GSA

General Services Administration

GSCB

Ground Segment Control Board

GSDE

Ground Software Development Environment

GSE

Ground Support Equipment

GSFC

Goddard Space Flight Center

GSIF

Ground System Interface Facility

GSIP

Ground System Interface Processor

GSTAR

General Satellite Earth Launch Vehicle

GTSI

Government Technology Services, Incorporated

GUI

Graphical User Interface

GWAC

Government-Wide Acquisition Contract

H

HA

High Availability

HALOE

High Altitude Low Orbit Experiment

Hanger AE

Building Destination

HBCU

Historically Black Colleges and Universities

HBK

Hartebeesthoek

HBK

Handbook

HC

Hierarchy Codes

HCAT

Headquarters Columbia Action Team

HCS

Header Checksum

HCSA

Host Center Support Agreements

HD

High Definition

HDD

Hard Disk Drive

HDRS

High Data Rate System

HDTV

High Definition Television

HECC

High End Computing Center

HEDS

Human Exploration and Development of Space

HEF

High Efficiency

HEMI

Headquarters Enterprise Messaging Initiative

HESSI

High Energy Solar Spectroscopic Imager

HIJ

TDRSS H, I & J Satellites

HIRT

Headquarters Information Technology Rapid Transition

HMI

Human Machine Interface (used in automotive development)

HOSC

Huntsville Operations Support Center

HPA

High Power Amplifier

HPOTP

High Pressure Oxygen Turbo-Pump

HPOV

HP Openview

HPOVNNM

Hewlett Packard Open View Network Node Manager

HPR

High Performance Router

HPRENS

High Performance Research and Engineering Networks

HPU

Hydraulic Power Unit

HQ

NASA Headquarters

HRSI

High-Temperature Reusable Surface Insulation

HSF

Human Space Flight

HSIR

reference ECANS project

HSM

Hierarchical Storage Monitoring

HSR

Houston Support Room

HSSI

High Speed Serial Interface

HST

Hubble Space Telescope

HSTOCC

HST Operations Control Center

HTML

Hypertext Markup Language

HTTP

Hypertext Transfer Protocol

HviDS

HOSC Video Distribution System

HvoDS

HOSC Voice Distribution System

HW or H/W

Hardware

HW/SW

Hardware/Software

Hz

Hertz

I

I/O

Input/Output

I3TEL

Integrated Intelligent Information for Telecommunications

IAF

International Aeronautical Federation

IAN

Institutional Area Network

IATO

Interim Authorization to Operate

IBM

International Business Machines

IBMP

Institute of Biomedical Problems

IBP

Integrated Business Proceess

ICAT

Inter-company Accounting Transfer

ICBM

Intercontinental Ballistic Missile

ICD

Interface Control Document - A document prepared between two or more parties which defines the interfaces between the users of the services and between the user of the service and the service itself. These documents delineate responsibility for each interface and include physical and electronic attributes of each interface as well as the protocols to be used.

ICE

Refers to the monitoring of actual ice on the orbital prior to launch

ICE

Integrated Collaborative Environment

ICESat

Ice, Cloud, and Land Elevation Satellite

ICM

Interim Control Module

ICMP

Internet Control Message Protocol

ICPR

Initial Constellation Program Review

ID/IR

Intrusion Detection/Incident Response

ID/IR

Intrusion Detection/Incident Report

IDAC

Integrated Digital Analog Converter

IDAC

Integrated Design Analysis Cycle

IDC

Integrated Design Capability

IDD

Interface Definition Document

IDE

Independent Development Environment

IDEA

ISS Downlink Enhancement Architecture

IDIQ

Indefinite Delivery/Indefinite Quantity

IDMS

Information and Data Management System

IDNX

Integrated Digital Network Exchange

IDR

Informal Design Review

IDS

Intrusion Detection System

IEA

reference ECANS project

IEEE

Institute of Electrical and Electronic Engineers

IEM

Integrated Enterprise Management

IEMP

Integrated Enterprise Management Program

IETF

Internet Engineering Task Force

IFM

Integrated Financial Management

IFMP

Integrated Financial Management Program (now Integrated Enterprise Management Program)

IFS

Internet File System

IG

Instrumentation Group

IG

Inspector General

IGW

Integrated Graphics Workstation

IIJ

Internet Initiative Japan

IIS

Internet Information Server

IKI

Institute Kosmicheskikh Issledoranii (the Space Research Institute/ Russian Academy of Sciences)

IM

Instant Meeting - reference Voice Conferencing

IMAP

Internet Message Access Protocol

IMCC

Information Mission Control Center

IMCCA

Interactive Multimedia and Collaborative Communications Alliance

IMCS

Integrated Management Control System

IMOC

Integrated Mission Operations Center

IMP

Integrated Management Plan

INL

Integrated Network Laboratory

InSAR

Interferometric Synthetic Aperture Radar

IOA

Integrated Operations Architecture

IONet

Internet Protocol Operational Network

IOR

Increment Operations Review

IOS

Internet Operating System

IOS

Integrated Operations systems

IP

Internet Protocol

IP

International Partners

IPAC

Intra-governmental Payments and Collections

IPAM

Internet Protocol Address Management

IPD

Integrated Powerhead Demonstrator

Iperf

Name of tool

IPL

Interplanetary Physics Lab

IPNOC

Internet Protocol Network Operations Center

IPO

Integrated Project Office

IPS

Integrated Planning System

IPSEC

Internet Protocol Security

IPTV

Internet Protocol Television

IPTX

Internet Protocol Transmission

iPV

internet based manual Procedure Viewer

IPv4

Internet Protocol version 4

IPv6

Internet Protocol version 6

IPX

Internetwork Packet Exchange

IR

Infrared

IRC

Infra-red Cameras

IRD

Interface Requirements Document

IRD

Information Resources Directorate

IRIG

Inter-Range Instrumentation Group

IRSR

Internal Relocation Service Request System

IS&T

Information Science and Technology

ISA

Industry Standard Architecture

ISC

Integrated Secure Circuit

ISD

Information Systems Directorate

ISDN

Integrated Services Digital Network

ISHM

Integrated System Health Management

ISIL

ISS Software Integration Laboratory

ISM

Integrated System Management

ISO

International Standards Organization

IsoWAN

Isolated Wide Area Network

ISP

Internet Service Provider

ISR

Interim Systems Review

ISR

Internal Service Request

ISR

Initial Systems Review

ISRP

Instrumentation Radar Support Program

ISRU

In-Situ Resource Utilization

ISS

International Space Station

ISSPO

International Space Station Program Office

ISTP

International Solar Terrestrial Physics

ISU

Integrated Service Unit

IT

Information Technology

ITAP

Information Technology Assessment Plan

ITAPS

Information Technology Acquisition Planning Summary

ITAR

International Traffic and Arms Regulations

ITCD

Information Technology and Communications Directorate

ITCOP

Interagency, Tracking, Communications, and Operations Panel

ITMC

International Telecommunications Management Center

ITOS

Integrated Test and Operations System

ITP

Information Technology Plan

ITS

Information Technology Security

ITSC

Information Technology Steering Council

ITSM

Information Technology Security Manager

ITSP

IT Service Pool

ITU

International Teleconferencing Union

ITU-T

International Telecommunication Union Telecommunication Standardization Sector

IU

Instrument Unit

IUS

Interim Upper Stage or Inertial Upper Stage

IV&V

Independent Verification and Validation Facility

IVA

Intravehicular Activity

IvoDS

Internet Voice Distribution System

J

JANET

Joint Academic Network

JASON

Not an acronym

JAXA

Japan Aerospace Exploration Agency

JDBC

Java Database Connectivity

JDMTA

Jonathan-Dickinson Missile Tracking Annex

JET

Joint Engineering Team

JETS

JSC Enabling Technology and Security

JHU

John Hopkins University

JIMMS

JSC Information Management and Media Services

JLOP

Joint Local Operating Procedure

JPEG

Joint Photographic Experts Group

JPL

Jet Propulsion Laboratory

JSC

Johnson Space Center

JSCAT

Spacecraft

K

K or KB

Kilobyte

KAFB

Kirtland Air Force Base

Kbps

Kilobits per second

Kg

Kilogram

KG

Encryption equipment

KHSC

Khrunichev Space Center

KICS

Kennedy Integrated Communications Services

KLMSDS

Kongsberg Lockheed Martin Space Data Services

km

Kilometer

kN

KiloNewton

KSA

Ku-Band Single Access

KSC

Kennedy Space Center

KVM

Keyboard, Video, Monitor

KW

Kilowatt

L

L/D

Lift to Drag Ratio

L2

Layer 2

L3

Layer 3

LAN

Local Area Network

LANDSAT

Land Remote-Sensing Satellite

LANM

LANDSAT, Lanham, MD

LaRC or LRC

Langley Research Center

LAS

Launch Abort System

LASP

Laboratory for Atmospheric and Space Physics

LAT

Launch Abort Tower

LATA

Local Access Transport Area

LAV

Launch Abort Vehicle

Lbf

Pound Force

LBV

Low Bandwidth Video

LC-39

Launch Complex-39

LCC

Launch Control Center

LCC

Life Cycle Cost

LCC

Launch Commit Criteria

LCD

Liquid Crystal Display

LCMT

Lockheed Martin facility

LCRS

Large Conference Room System

LD

Long Distance

LDAP

Lightweight Directory Access Protocol

LDAR

Lightning Detection And Ranging

LDB

Long Duration Balloon

LDBP

Logistics Data Bank

LDBP

Long-Duration Balloon Program

LEC

Local Exchange Carrier

LEO

Low Earth Orbit

LEO-T

Low Earth Orbital - Terrestrial

LERG

Local Exchange Routing Guide

LES

Launch Escape System

LH2

Liquid Hydrogen

Li-Ion

Lithium-Ion

LIDAR

Light Detection and Ranging

LIDS

Low Impact Docking System

LIMS

Logistics Management Inventory System

LIPPS

LANDSAT IP Processing System

LITT

Littleton, Colorado

LIU

Line Interface Unit

LLO

Low Lunar Orbit

LM

Lockheed Martin

LMA

Multiple Access

LMCO

Lockheed Martin Corporation

LMIT

Lockheed Martin Information Technology

LMMSI

Lockheed Martin Missiles and Space Inc.

LMR

Land Mobile Radio Replacement

LMSO

Lockheed Martin Space Operations

LMSOC

Lockheed Martin Space Operations Company

LMT

Local Maintenance Terminal

LN

Last Name

LOA

Letter of Agreement

LOE

Level of Effort

LOI

Lunar Orbit Insertion

LOP

Local Operating Procedure

LOR

Lunar Orbit Rendezvous

LOX

Liquid Oxygen

LPA

Logical Port Address

LPAR

Logical Partitioning

LPRP

Lunar Precursor Robotics Program

LPS

Launch Processor System

LPT

Low Power Transceiver

LRCS

Large Room Conferencing System

LROC

Long Range Optical Camera

LSAM

Lunar Surface Access Module

LSAT

Land Remote Sensing Satellite

LSD

Logistics Supply Depot

LSD

Low Speed Data

LSOS

Limited Station Operations System

LUT

Launch Umbilical Tower

LWCA

Lost Workday Cases Away

LZ

Level-Zero

LZP

Level Zero Processing

LZPF

Level-Zero Processing Facility

M

M&O

Maintenance and Operations

MA

Multiple Accesses

MAC

Move-Add-Change

MAD

Call sign for Madrid, Spain, Ground Network Tracking Station

MAE

Metropolitan Area Exchange

MAF

Michoud Assembly Facility

MAN

Metropolitan Area Network

MAO

Management and Assessment Office

MAP

Microwave Anisotropy Probe

MAS

MMC Automated Systems

MAX

Mid Atlantic Crossroads

MB

Megabyte

MBGP

Multi-protocol Border Gateway Protocol

Mbone

Multicast Backbone

Mbps

Mega bits per second

MBR

MIL/BDA Re-Engineering

Mcast

Multicast

MCC

Mission Control Center

MCC

Management Conference Center

MCC-H

Mission Control Center - Houston

MCC-M

Mission Control Center - Moscow

MCC1

reference ECANS project

MCCB

MSFC Change Control Board

MCCS

Mission Control Center System

MCDTV

Multi Channel Digital Television

MCI

MCI

MCIP

Mission Critical Internet Protocol

MCM

Mission Communications Manager

MCO

Mars Climate Orbiter

MCS

Multi-Point Communication Service

MCU

Multiport Control Unit

MCWG

Mission Communications Working Group

MDM

Multiplexer/Demultiplexer

MDP

Multicast Discovery Protocol

MDSCC

Madrid Deep Space Communications Complex

MECO

Main Engine Cut Off

MEDDS

Multi-Engineering Disciplinary Development Services

MEHS

Multi-environment Evaporative Heat Sink

MEI

Muniz Engineering Inc. ̐ JETS prime contractor

MEI

Minimum Essential Infrastructure

MEL

reference ECANS project

MEMERGE

Main Engine Merge Software

MEOP

Maximum Expected Operating Pressure

MER

Mars Exploration Rover

MERN

Metropolitan Research and Education Network

MESSENGER

Mercury Surface, space Environment, Geochemistry and Ranging

METEOSAT

Metrological Satellite

MEWS

Mission Evaluation Work Station

MFR

Multifunction Receiver

MGC

Media Gateway Controller

MGE

(3 letter company name - does not stand for anything)

MGS

McMurdo Ground Station

MGS

Mars Global Surveyor

MGX

Multi-service Gateway Exchange

MHL

Mobile High Def Link (cable)

MHz

Megahertz

MIB

Management Information Base

MIC

Management Information Center

MIC

Microphone

MICS

Management and Information Control System

MIDDS

Meteorological Information Data Distribution System

MIDEX

Medium-Class Explorer

MIL

Merritt Island Ground Station

MILA

Merritt Island Launch Annex

MIME

Multipurpose Internet Mail Extensions

MIMU

Miniature Inertial Measurement Unit

Miracast

New word for WiDi and WiFi direct (by Intel and WiFi Alliance).

MIT

Mishap Investigation Team

MIT

Massachusetts Institute of Technology

MIX

Marshall Image Exchange

ML

Mobile Launcher

MLI

Multi-Layer Insulation

MLP

Mobile Launch Pad

MLP

Mobile Launch Platform

MLV

Multi-purpose Launch Vehicle

MM

Meeting Maker

MMAC

Man-Months At Completion

MMF

Multi-mode Fiber

MMH

Monomethyl Hydrazine

MMP

Margin Management Plan

MMS

Magnetospheric Multiscale

MMT

Mission Management Team

MN

Middle Name

MNM

Mission Network Modernization

MOA

Memorandum of Agreement

MOB

Minority Owned Business

MOC

Mission Operations Complex

MOC

Mission Operations Center

MOCC

Mission Operations Control Center

MOD

Mission Operations Directive

MODAPS

MODIS Adaptive Processing System

MODIS

Moderate Resolution Imaging Spectroradiometer

MOIP

Mission Operations Integration and Planning

MOMS

Mission Operations Management Services

MONS

Mission Outage Notification System

MOPS

Mission Operations Planning System

MORR

Mission Operational Readiness Review

MORR

Marshall Operational Readiness Review

MOSPF

Multi-cast Open Shortest Path First

MOU

Memorandum of Understanding

MOVE

Mission Operations Voice Enhancement

MPA

Metric Pointing Assembly

MPEG

Moving Picture Export Group

MPL

Mars Polar Lander

MPLS

Multi-Protocol Layer Switching

MPLS

Multiprotocol Label Switching

MPS

Main Propulsion System

MPSR

Multi-Purpose Support Room

MPTFO

Mission Planning, Training & Flight Operations

MPV

Manual Procedure Viewer

MRC

Monthly Recurring Cost

MRC

Madison Research Corporation

MRDS

Mission Routed Data Service

MREN

Metropolitan Research and Education Network

MRF

Maintenance Repair Facility

MRR

Mission Readiness Review

MRWG

Mission Requirements Working Group

MS

Mission Systems

ms

Millisecond

MS

Microsoft

MS

Milestone

MSAT

Multisat

MSC

Mission Support Contract

MSFC

Marshall Space Flight Center

MSFI

Marshall Space Flight Center - Institutional

MSID

Measurement Stimuli Identifiers

MSM

Mission System Manager

MSN

Mission

MSOC

JSC Mission Support Operations Contract

MSOP

Mars Surveyor Operations Project

MSPP

Multi Service Provision Platform

MSPP

Multi-Service Performance Platform

MSR

Monthly Status Review

MSRD

Mission Support Routed Data

MSRDS

Mission Support Routed Data Service

MSS

Mississippi Spaces Services

MSSS

Malin Space Science Systems

MSTA

Mission Services Training Activities

MSTA

Multi-mission Support Training Activity

mT

Metric Ton

MTA

Metric Tracking Assembly

MTCC

Moffett Training Conference Center

MTRS

McMurdo TDRSS Relay System

MTTR

Mean Time to Restore

MTTR

Mean Time to Repair/Replace

MTV

Mars Transfer Vehicle

MUG

Multicast Unicast Gateway

Mux

Multiplexer

MVCS

Mission Voice Conferencing System

MWO

Maximo Work Order

MX

Mail Exchanger

N

NACAIT

Network and Communications Analysis and Integration Team

NACB

Network Access Control Board

NACC

NASA Automated Data Processing (ADP) Consolidation Center

NAM

Network Advisory Message

NAMS

NASA Account Management System

NANOG

North American Network Operator Group

NAP

Navigation Analysis Program

NAR

Non-Advocate Review

NARA

National Archives and Records Administration

NARNet

Notice of Ammunition Reclassification Network

NAS

Numerical Aerodynamic simulation

NAS

Network Attached Storage

NASA

National Aeronautics and Space Administration

NASAnet

NASA Network

Nascom

NASA Communications

NASDA

National Space Development Agency of Japan, now known as JAXA

NASIRC

NASA Automated Systems Incident Response Capability

NASLAN

NASA Advanced Supercomputing LAN

NAT

Network Address Translation

NBC

National Business Center

NCC

Network Control Center

NCCS

NASA Center for Computational Science

NCDDC

National Coastal Data Development Center

NCI

NASA Collaborative Infrastructure

NCL

Network Control Link

NCM

Network Configuration Management

NCMS

Network Configuration Management System

NCP

Network Control Project

NCPS

Network Command Processor System

NCR

Non-Conformance Review

NDBC

National Data Buoy Center

NDC

NASA Data Center

NEC

Network Equipment Corp

NEC

Network Equipment Corp

NEMS

NASA Equipment Management System

NENS

Network Engineering and Network Support

NENS

Near Earth Network Services

NERD

NASCOM Engineering Review and Design

NESC

NASA Engineering and Safety Center

NESDIS

National Environmental Satellite, Data, and Information Service

NETSCOUT

(company name ̐ does not stand for anything)

NFC

Near Field Communication is taking off in several areas including Verizon for easy conference room scheduling and authentication as well as payments.

NFIRE

Near Field Infrared Experiment (N-Fire)

NGIX

Next Generation Internet Exchange

NGLT

Next Generation Launch Technology

NGST

Next Generation Space Telescope

NHB

NASA Handbook

NI

National Instruments

NIB

Network Interface Board

NIC

Network Integration Center

NILE

Network Integration Lab Environment

NIS

Network Information Server

NISC

NASA Information Support Center

NISE

NASA Integrated Services Environment

NIST

National Institute of Standard and Technology

NLB

Network Load Balancing

NLIC

NASA LAN Interface Card

NMC

Network Management Center

NMCC

Network Management Change Control

NMCC

Network Management Configuration Control

NMCM

Network Management and Context Monitoring

NMDS

Network Management Data Service

NME

Non-Maintainable Equipment

NMERP

Non-Maintainable Equipment Replacement Plan

NMSU

New Mexico State University

NNM

Network Node Manager

NOAA

National Oceanic and Atmospheric Administration

NOC

Network Operations Center

NOCC

Network Operations Control Center

NOMAD

NASA Operations Messaging and Directory

NOMC

NASCOM Operations Management Center

NOPE

Network Operations Project Engineer

NORAD

North American Aerospace Defense Command

NOSL

Network Operation Systems Lab (New name of the INL)

NPD

NASA Policy Directive

NPE

Network Processing Engine

NPG

NASA Procedures and Guidelines

NPO

National Polar-Orbiting

NPOESS

National Polar-orbiting Operational Environmental Satellite System

NPR

NASA Procedure Requirement

NPRD

Network Program Requirements Document

NREN

NASA Research and Engineering Network

NRL

Naval Research Laboratory

NRO

National Reconnaissance Office

NRP

NASA Resource Protection

NSA

National Security Agency

NSAP

Network Service Assurance Plan

NSBF

National Scientific Balloon Facility

NSBFTX

National Scientific Balloon Facility, Palestine, Texas

NSF

National Science Foundation

NSIDC

National Snow and Ice Data Center

NSLD

NASA Shuttle Logistics Depot

NSP

NetScout Probe

NSS

Network Support Subsystem

NSS

Network Security Services

NSS

NASA Safety Standard

NSSC

NASA Shared Service Center

NSSTC

National Space and Science Technology Center

NST

Near-Simultaneous Tracking

NSTS

National Space Transportation System

NSWSC

Naval Space Warfare Systems Center (now known as SPAWAR)

NT

New Technology

NTC

NASA Teleconferencing Center

NTFS

New Technology File System

NTO

Nitrogen Tetroxide

NTP

Network Time Protocol

NTSC

National Television Standard Code

O

O&C

Operations and Checkout

O&I

Operations and Integration

O&M

Operations and Maintenance

O/A

Optimized Access

OAB

Off-line Address Book

OAFB

Onizuka Air Force Base

OAIT

Office Automation, IT Infrastructure & Telecommunications

OAO

Orbiting Astronomical Observatory

OARE

Orbital Acceleration Research Experiment

OARNET

Ohio Academic and Research Network

OAS

Operation and Support

OAS

Onizuka Air Station

OBS

Organizational Breakdown Structure

OC

Optical Carrier (OC-3)

OCA

Orbital Communications Adapter

OCC

Operations Control Center

OCIO

Office of the Chief Information Officer

OCO

Orbiting Carbon Observatory

OCU

Office Channel Unit

OD

Orbiter Downlink

OD

Orbit Determination

OD

Operations Downlink

ODBC

Open Data Base Connectivity

ODC

Other Direct Costs

ODIN

Outsourcing Desktop Initiative for NASA

ODM

Operational Data Message

ODM

Operational Directive Memorandum

ODRC

Orbiter Data Reduction Complex

ODRC

Operational Data Reduction Complex

OHCM

Office Of Human Capital Management

OHR

Office of Human Resources

OI

Orbital Interface

OI

Operational Instrumentation

OIG

Office of the Inspector General

OIRB

Operations Incident Review Board

OIS

Operational Intercom System

OLA

Operational Level Agreement

OLED

Organic LED TVs becoming more affordable ($12K for 3D 55 inch)

OMB

Office of Management and Budget

OML

Outer Mold Line

OMS

Orbital Maneuvering System

OND

Operator need date

ONS

Optical Network Solution

ONS

Optical Network Switch

OOBA

Out of Band Access

OOTF

Office of the Future

OPR

Office of Primary Responsibility

OPS

Operations

OPUS

Open Source Unix Software

ORD

Organization Responsibility Document

ORR

Operational Readiness Review

ORS

Online Reservation System

ORTS

Operations Readiness Test Set

OS

Operating System

OSB

Operations Support Building

OSC

Orbital Sciences Corporation

OSF

Office of Space Flight

OSHA

Occupational Safety & Health Agency

OSP

Orbital-Suborbital Program

OSPF

Open Shortest Path First

OSPP

Office of Security and Program Protection

OST

Operations Support Team

OSTPV

On-Station Procedure Viewer

OTF

Operations Technology Facility

OTFTP

Other Than Full-time Permanent

OTS

Organization Tracking System

OU

Organizational Unit

P

P&ID

reference ECANS project

P&P

Pressurization & Pneumatics

P2P

Peer to Peer

PA

Pennsylvania

PACOR

Packet Processor

PAIX

Palo Alto Internet Exchange

PALS

Program Automated Library System

PAO

Public Affairs Office

PAR

Pre-Launch Assessment Review

PBAN

reference ECANS project

PBERT

Packet Bit Error Rate Tester

PBX

Private Branch Exchange

PCB

Process Control Board

PCCW

Hong Kong Telecommunications Research

PCD

Project Commitment Document

PCM

Pulse Code Modulation

PCP

Power Control Panel

PCR

Post Completion Review

PCU

Power Control Unit

PD

Position Description

PDA

Personal Digital Assistant

PDARS

Performance Data Analysis Reporting System

PDF

Portable Document File/Format

PDI

Payload Data Interleave

PDL

Program Design Language

PDL

Procedure Distribution List

PDL

Ponce DeLeon - MILA Sub station

PDR

Preliminary Design Review

PDSS

Payload Data Services System

PE

Program Executive

PEB

Performance Evaluation Board

PEI

Products and Engineering with Innovation, Electronics Incorporated

PEM

Proton Exchange Membrane

PEM

Patrol Enterprise Management

PFC

Policy Feature Card

PFCU

Pyro Fire Control Unit

PFLT

Poker Flats

PFRR

Poker Flat Research Range

PFS

Poker Flat Station

PGP

Pretty Good Privacy

PI

Principle Investigator

PIA

Privacy Impact Assessment

PIC

Project Information Center

PIC

Primary Inter-Exchange Carrier

PIDs

Parameter Identifiers

PIMMS

Private Investigator Microgravity Management Systems

PIO

Program Integration Office

PIP

Payload Integration Plan

PIP

Premium Internet Protocol

PIX

Private Internet Exchange

PKI

Public Key Infrastructure

PLA

Poly Lactic Acid (common material in 3D printers)

PLUS

PatchLink Update Server

PM

Program Manager

PM

Preventative Maintenance

PMA

Pressurized Mating Adapter

PMAD

Power Management and Distribution

PMB

Program Management Budget

PMBT

Propulsion Mean Bulk Temperature

PMC

Program Management Council

PMDS

Problem Management Dispatch System

PMM

Program Management Metrics

PMR

Program Management Review

PMS

Performance Measuring System

PMSR

Performance Measurement Status Report

PO

Project Office

PO

Purchase Order

PO.DACC

Physical Oceanography Distributed Active Archive Center

POC

Project Operations Center

POC

Point of Contact

POCC

Payload Operations Control Center

POES

Polar Operational Environmental Satellite

POGO

Polar Orbiting Geophysical Observatory

POIC

Payload Operations Integration Center

POLAR

Polar Plasma Laboratory

POP

Program Operating Plan

POP

Point of Presence

POS

Packet Over SONET

POTS

Plain Old Telephone Service

POW

Plumbrook Ordinance Works

PP&C

Project Planning and Control

PPOV

Pilot Point of View

PPP

Point-to-Point Protocol

PPS

Provisioning Performance Schedule

PPS

Payload Pointing System

PPS

Proposal Pricing System

PPS

Pulse Per Second

PPS

Peripheral Processing System

PPS

Pneumatic Power Subsystem

PPS

Printer/Plotter System

PR

Purchase Request

PRA

Probabilistic Risk Analysis

PRC

Program Review Center

PRD

Program Requirements Document

PRI

Primary Rate Interface

PrISMS

Program Information Systems Mission Services

PRNG

Pseudo Random Number Generator

ProSEDS

Propulsive Small Expendable Deployer System

PRS

Primary Reference Source

PS

Power Supply

PS

Photopolarimeter Subsystem

PSAM

Preliminary Service Advisory Message

PSC

Project Steering Committee

PSD

Power Spectral Density

PSLA

Program Service Level Agreement

PSR

Program Status Review

PSTN

Public Switched Telephone Network

PSU

Power Switching Unit - reference ECANS

PSU

Pennsylvania State University

PT

Pressure Transducers

PTCS

Payload Test and Checkout System

PTCS

Passive Thermal Control System

PTD

Propulsion Test Directorate

PTP

Programmable Telemetry Processor

PUB

Public Access

PVC

Permanent Virtual Circuit

PWC

Price Waterhouse Cooper

PWS

Performance Work Statement

Q

Q&A

Question and Answer

QA

Quality Assurance

QBRI

Quad Basic Rate Interface

QFS

Quick File System

QMSC

Quality Management Steering Committee

QoS

Quality of Service

QSR

Quarterly Status Review

QUESTeam

Quality Efficient Services Team

QuickSCAT

Quick Scatterometer

R

R&D

Research and Development

R&R

Requirements and Response

r/pm

Revolutions Per Minute (RPM, rpm, but preferred is r/pm)

R2D2

IT Security Reporting, Repository and Development Database

RA

Risk Assessment

RAC

Remote Access Console

RAD

Reference Architecture Document

RADIUS

Remote Authentication Dial-In User Service

RAID

Redundant Array of Inexpensive Disks

RAM

Random Access Memory

RC

Recovery Controller

RCA

Root Cause Analysis

RCCA

Root Cause and Corrective Action

RCIP

Real-time Critical Internet Protocol

RCN

Regional Communications Network

RCS

Reaction Control System

RD

Requirements Document

RDAC

Redundant Disk Array Controller

RDD

Release Description Document

RDIR

Routed Data Infrastructure Refresh

RDMS

Research and Development Multi-program Support

RECP

Request for Engineering Change Proposal

REIF

Redundant Equipment Interface

REOC

Redundant EOS Operations Center

REOC

Remote Earth Operations Center

RF

Radio Frequency

RFC

Request for Comment

RFI

Request for Information

RFI

Radio Frequency Interference

RFO

Request For Offer

RFO

Reason For Outage

RFP

Request For Proposal

RFQ

Request for Quote

RFSOC

Radio Frequency Simulations Operations Center

RGB

Red, Green, Blue

RHESE

Radiation Hardened Electronics for Space Environments

RID

Review Item Discrepancy/Disposition

RIF

Reduction In Force

RIOnet

Restricted IOnet

RIPE

Reseaux Internet Protocol Europeans (Francais)

RIR

Requirements Impact Report

RJ

Registered Jack

RLC

reference ECANS project

RLZP

Re-engineering Level Zero Processor

RM

Redundancy Management

RMA

Return Material Authorization

RMON

Remote Monitor

RNET

Type of Network

ROCC

Range Operations Control Center

ROCS

Router Configuration Server

ROM

Rough Order of Magnitude

ROS

Russian Orbital Segment

ROS

Remote Operational System

Roscosmos

Russia Federal Space Agency

RPC

Remote Procedure Call

RPCSS

Remote Procedure Call Security Services

RPCU

Remote Power Control Unit

RPI

Remote Principal Investigator

RPR

Resilient Packet Ring

RPS

Raytheon Polar Services

RPS

Remote Playback System

RPS

Record Playback Subsystem

RPSC

Raytheon Polar Services Company

RPSF

Rotation, Processing & Surge Facility

RS

Recommended Standard

RSA

Russian Space Agency

RSC-E

Rocket Space Corporation-Energia

RSE

Reliable Software Engineering

RSP

Route Switch Processor

RSRM

Reusable Solid Rocket Motor

RSRM

Redesigned Solid Rocket Motor

RSRM/B

Reusable Solid Rocket Motor/Booster

RSVC

Russian Services

RSVG

Russia Services Group

RSVP

repondez s'il vous plait (please reply)

RT

Round Trip

RT

Real-Time

RTCH

Research and Technology

RTF

Return to Flight

RTOD

Real-Time Orbital Determination

RTT

Round Trip Time

RXTE

Rossi X-Ray Timing Explorer

S

S&A

reference ECANS project

S/C

Spacecraft

SA

Service Agreement

SA

Spacecraft Adapter

SAC

Standing Awards Committee

SAC

Scientific Applications Satellite

SAFB

Schriever Air Force Base

SAGE

Instrument on ERBS Satellite

SAIC

Science Applications International Corporation

SAIL

Shuttle Avionics Integration Laboratory

SAMMIS

Sample Analysis at Mars Management Information

SAMPEX

Solar Anomalous and Magnetosphere Particle Explorer

SAMS

Smartphone All Mailbox Sync

SAN

Storage Area Network

SANCP

Security Analyst Network Connection Profiler

SANtricity

A storage manager

SAO

Smithsonian Astrophysical Observatory

SAP

Software Brand Name

SAR

System Acceptance Review

SAR

Synthetic Aperture Radar

SART

Security Analysis and Response Team

SAT

System Acceptance Testing

SATS

System Acceptance Test Sets

SB

Small Business

SBC

SBC Communications

SBRY

Southbury, CT

SC

Stick & Click Connector

SCAMA

Switching Conference and Monitoring Arrangement

SCAWG

Space Communications Architecture Working Group

SCD

Small Conversion Device

SCDS

Space Communications and Data Systems (was SOMO)

SCIO

Space Communications Integration Office

SCR

Security Controls Review

SCSI

Small Computer System Interface

SD

Service Delivery

SDB

Small Disadvantage Business

SDC

System Management/Display & Control/Communication & Tracking

SDF

Software Development Facility/File

SDI

Serial Digital Interface

SDIL

Software Development and Integration Lab

SDLC

System Development Lifecycle

SDO

Solar Dynamics Observatory

SDOMIS

Solar Dynamics Observatory Management Information System

SDR

System Design Review

SDRAM

Synchronous Dynamic Random Access Memory

SDRD

Subcontractor Data Report Delivery

SDS

Shuttle Data Stream

SEAPAC

Sea Winds Processing and Analysis Center

SEB

Source Evaluation Board

SECR

Shuttle Engineering Console Room

SEF

Sustaining Engineering Facility

SER

Scientific, Engineering, and Research

SERB

Systems Engineering Review Board

SERPL

Space Experiment Research and Processing Laboratory

SERT

System Engineering Review Team

SEWG

Systems Engineering Working Group

SEWP

Scientific and Engineering Workstation Procurement

SFAL

Sioux Falls, (site of EROS Data Center)

SFG

Special Function Gateway

SFOC

Space Flight Operations Contract

SGI

Silicon Graphics Incorporated

SGLT

Space Ground Local Terminal

SGS

Svalbard Ground Station

SGS

Space-to-Ground System

SHARAD

Shallow Radar

SHE

Safety, Health, and Environmental

SIAP

Systems Integrated Analysis Plan

SIMMS

Scalable Integrated, Multi-mission Simulation Suite

SINET

Science Information Network

SIO

Systems Integration Office

SIP

Standard Internet Protocol

SIP

Session Initiation Protocol

SIRIUS

Spacecraft

SIRTE

Space Infrared Telescope Facility

SIT

Shuttle Interface Test

SIT

Service Improvement Team

SLA

Service Level Agreement

SLC

Shuttle Launch Complex (VAFB)

SLE

Space Link Extension

SLOC

Single Line of Code

SM

Subsystem Manager

SM

Stat Mux (as in SM-1 or SM-2)

SM

Service Module

SM

Service Manager

SMA

Special Management Attention

SMA

Science Monitoring Area

SMB

Server Message Blocks

SMDS

Switched Multi-megabit Data Service

SME

Subject Matter Experts

SMIS

Shuttle Mission Imaging System

SMP

System Management Policy

SMS

Windows System Management Server

SMTP

Simple Mail Transport Protocol

SN

Space Network

SN/GN

Space Network/Ground Network

SNA

System Network Architecture

SNASS

Space Network Scheduling System

SNMP

Simple Network Management Protocol

SNOE

Student Nitric Oxide Explorer

SO

Service Order

SO

System Owner

SO

Support Operations

SOC

Space Operations Center

SOC

Science Operations Center

SOCB

Space Operations Control Board

SOCC

Satellite Operations Control Center

SODA

Space Operations Directive Agreement

SOE

Standard of Excellence

SOFBALL

Structure of Flame Balls at Low Lewis

SOFIA

Stratospheric Observatory for Infrared Astronomy

SOHO

Solar and Heliosperic Observatory

SOLAR

Site for On0Line Learning and Resources

SOMD

Space Operations Mission Directorate

SOMO

Space Operations Management Office (changed to SCDS)

SONET

Synchronous Optical Network

SOP

Standard Operating Procedure

SORCE

Solar Radiation and Climate Explorer

SOS

System of Systems

SOW

Statement of Work

SP

Superior Performance

SP

South Pole

SPAWAR

Naval Space Warfare Systems Center

SPDU

Secondary Power Distribution Unit

SPIF

Shuttle Payload Interface Facility

SPM

Service Performance Metrics

SPMS

Security Patrol Management System

SPOC

Single Point of Contact

SPP

Support Products Provider

SPPA

Support Products Provider Assembly

SQL

Structured Query Language

SR

Service Request

SR&QA

Safety, Reliability and Quality Assurance

SRA

Sequential Ranging Assembly

SRB

Solid Rocket Booster

SRM

Service Reference Model

SRR

Strategic Resource Review

SRR

System Requirements Review

SRRM/B

Shuttle Reusable Rocket Motor/Booster

SRS

Service Request System

SRTM

Shuttle Radar Topography Mission

SSA

Single Service Access

SSC

Stennis Space Center

SSC

Site Security Coordinator

SSC

Space Station Complex

SSCI

Stennis Space Center-institutional

SSE

Solar System Exploration

SSEO

Space Science and Earth Observation

SSFDR

Subsystem Functional Design Review

SSH

Security Shell

SSL

Secure Socket Layer

SSM

Source Specific Multicast

SSM

Site Status Message

SSME

Space Shuttle Main Engine

SSP

Support Security Plan

SSPA

SSP Assembly

SSPF

Space Station Processing Facility

SSPP

System Safety Program Plan

SSPRO

Space Shuttle Program Resident Office

SSSOT

SOMO Standard Services Ordering Tool

SSTB

Servers and Services Technical Board

ST

Stick and Twist Connector

ST

System Test

ST

Star Tracker

ST

Space Technology (as in ST-5)

STA

Shuttle Trainer Aircraft

STADIR

Station Director (NASA)

STAN

Stanford University

STAR

System Trades and Risks

StarLight

Name of Mission

STARS

Space Based Telemetry and Range Safety

STARTAP

Science, Technology, And Research Transit Access Point

STAT MUX

Statistical Multiplexer

STDN

Spaceflight Tracking Data Network

STEREO

Solar Terrestrial Event Observer

STGT

Second TDRSS Ground Terminal

STK

StorageTek

STL

Stereo lithography (file format used for 3D printing)

STOCC

Space Telescope Operations Control Center

STPS

Shuttle Telemetry Processing System

STR

System Test Review

STS

Space Transportation System

STSI

Space Telescope Science Institute

STX

Science and Technology Excellence

SUIT

Suitland, Maryland (NOAA)

SV

Schedule Variance

SVEL

Service Element

SVF

Shuttle Verification Facility

SVS

Switched Voice Service

SW

Switch

SW or S/W

Software

SWAS

Submillimeter Wave Astronomy Satellite

Swift

(Project name - not an acronym)

SWO

Security Watch Officer

SWSI

Space Network Web Services Interface

SXI

Solar X-ray Imager

T

TABES

Technical and Business Engineering Society

TAC

Technical Assistance Center

TACACS+

Terminal Access Controller Access Control System

TANET2

Taiwan Research Network

TAR

Travel Authorization Request

TB

Tera Byte

TBD

To Be Determined

TBps

Tera-Bits per second

TBS

To Be Supplied

TCDT

Terminal Countdown Demonstration Test

TCID

Test Configuration Identification Document

TCIR

Total Case Incidence Rate

TCNET

Telecom Center Network

TCP/IP

Transmission Control Protocol/Internet Protocol

TCX

Name of Company, not an acronym

TD

Treasury Department

TD

Technical Director

TDA&C

Telemetry, Data, Acquisition, and Command

TDB

To Be Determined

TDM

Time Division Multiplexing

TDM

Time Division Multiplexer

TDRS

Tracking and Data Relay Satellite

TDRS-E

Tracking and Data Relay Satellite, East

TDRSS

Tracking and Data Relay Satellite System

TDS

Tracking Data System

TDY

Temporary Duty

TEAC

Brand Name

TEI

Trans Earth Injection

Terra

Name of EOS spacecraft

TES

Tessada - JIMMS prime contractor

TFE

Telemetry Front End

TIM

Technical Interchange Meeting

TKCC

TKC Communications (Name of Company)

TLI

Trans Lunar Injection

TLM

Telemetry

TLS

Transparent LAN Service

TMOD

Telecommunications and Mission Operations Directorate

TMR

Technical Monitors Representative

TNS

Transparent Network Substrate

TOAD

Software editing tool

TOC

The Oceanography Society

TOMS

Total Ozone Mapping Spectrometer

TOMS-EP

Spacecraft

TOPEX

The Ocean Topography Experiment

TOS

Task Ordering System

TOTS

Transportable Orbital Tracking System

TPM

Technical Performance Metrics

TPOCC

Transportable Payload Operations Control Center

TPP

Test Plan & Procedures

TRACE

Transitional Region and Coronal Explorer

TRAK

Timing System Vendor

TRMM

Tropical Rainfall Measuring Mission

Troll

Name of firewall

TRR

Transition Readiness Review

TRR

Test Readiness Review

TSAN

Telecommunications Services Administration

TSC

Telescience Support Center

TSP

Telecommunications Service Priority

TT

Trouble Ticket

TT&C

Telemetry, Tracking and Command

TTL

Transistor-Transistor Logic

TTR

Time To Restore

TVA

reference ECANS project

TVC

Thrust Vector Control

TW

TerraWave

TWP

Transition Work Plan

TX

Transmit

TX

Texas

U

UAF

University of Alaska - Fairbanks

UAH

University of Alabama, Huntsville

UARS

Upper Atmosphere Research Satellite

UB

Undistributed Budget

UCAR

University Corporation for Atmospheric Research

UCB

University of California at Berkley

UDP

Universal Datagram Protocol

UHD

Ultra High Def TVs (4x HD)

UHF

Ultra High Frequency

ULF-1

Utilization Flight-1

UMCP

University of Maryland In College Park

UMS

Utilization and Mission Support

UNO-NCAM

University of New Orleans-National Center for Advance Manufacturing

UPS

Uninterruptible Power Supply

URL

Universal Resource Locator

US

Upper Stage

USA

United States of America

USA

United Space Alliance

USAF

United States Air Force

USAP

United States Antarctic Program

USB

Universal Serial Bus

USE

Upper Stage Engine

USGS

United States Ground Segment

USGS

United States Geological Survey

USM

Unit of Service Metric

USN

Universal Space Network (Horsham, PA)

USOS

United States On-Orbit Segment

USR

UNITeS Status Review

USRA

Universities Space Research Association

USSTRATCOM

US Strategic Command

UTP

Unshielded Twisted Pair

UUNET

Internet Service Provider - Company Name

UUPIC

Uniform Universal person Identification Code

V

V&V

Verification and Validation

V&VF

Verification & Validation Facility

VAB

Vehicle Assembly Building

VAFB

Vandenberg Air Force Base

VAX

(a mainframe computer)

VBNS+

Very high speed Backbone Network Service

VBScript

Visual Basic Script

VCR

Video Cassette Recorder

VCRS

Video Conferencing Reservation System

VDC

Volts Direct Current

VDNC

Virtual NASA Data Center

VDS

Voice/Video Distribution System

VEST

Vehicle Electrical Systems Test

VGD

Video Graphics Display

VGW

Video Gateway

ViIP

Video over Internet Protocol

VIP

Virtual Interface Processor

VIP

Versatile Interface Processor

VIP

Verification Integration Plan

Vision

Name of Project

ViTS

Video Teleconferencing Service

VLAN

Virtual Local Area Network

VLBI

Very Long Baseline Interferometer

VMS

Voice Management System

VoIP

Voice over Internet Protocol

VoTS

Voice Teleconferencing Service

VPF

Vertical Processing Facility

VPN

Virtual Private Network

VPP

Voluntary Protection Program

VR

Virtual Reality

VRA

Video Roll About (video conferencing system)

VSM

Value Stream Mapping

VSM

Veritas Storage Migrator

VSS

Voice Switching System

VTC

Video Teleconferencing Center

VTCC

Video Teleconferencing Control Center

VVC

Virtual ViTS Connection

VVE

ViTS VoTS Engineering

W

WACO

Waco, TX

WAD

Work Authorization Document

WAN

Wide Area Network

WANR

Wide Area Network Replacement

WAPE

Wide Area Network Architecture and Project Engineering

WARN

Worker Adjustment and Retraining Notification

WBS

Work Breakdown Structure

WCDAS

Wallops Command Data Acquisition Station

WDISC

WSC Data Interface Service Capability

WebTADS

Web-based Time and Attendance System

WFF

Wallops Flight Facility

WGS

Wallops Ground Station

WGS

Wideband Ground System

WIC

Wide Area Network Interface Card

WIND

Spacecraft

WIND

Solar Wind Mission

WINS

Windows Internet Naming Service

WIPO

Wind Polar Project

WIRE

Wide-field Infrared Explorer

WITS

Washington Interagency Telecommunications System

WLPS

Wallops Island

WMF

Windows Media Framework

WOB

Woman-Owned Business

WOITS

Wallops Orbital Tracking Information System

WOSB

Woman-Owned Small Business

WPA2

Wi-Fi Protected Access

WPS

Wallops

WPS

Workstation Presentation Services

WPS

Words Per Second

WRP

Wide Area Network Replacement Project

WSAT

White Sands Alternate Relay

WSC

White Sands Complex

WSGT

White Sands Ground Terminal

WSMR

White Sands Missile Range

WSNCC

White Sands Network Control Center

WSSH

White Sands Space Harbor

WSTF

White Sands Test Facility

WSTS

White Sands Tracking Station

WYE

Work Year Equivalent

X

X500

NASA Directory Service

XO

Company Name

XP

Exchange Point

XRAID

Apple Xserve RAID

XSS-11

Experimental Satellite System

XTE

X-ray Timing Explorer

Y

Y2K

Year 2000

Z

ZA

Zoned Architecture