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(from The Dream Is Alive - Space Flight and Operations Earth Orbit © 1991)


AA Accelerometer Assembly

AC Alternating Current

ACRC Assured Crew Return Capability

ACTG Acting

ADI Attitude Direction Indicator

ADSF Automated Directional Solidification Furnace

ADTA Air Data Transducer Assembly

AEPI Atmospheric Emission Photometric Imaging

AF Air Force

AFB Air Force Base

AFSCN Air Force Satellite Control Network

AIAA American Institute of Aeronautics and Astronautics

A/L Approach and Landing

ALT Approach and Landing Test (Program)

AMI Alpha-Mach Indicator

AMU Astronaut Maneuvering Unit

AOA Abort Once Around

APS Alternate Payload Specialist

APU Auxiliary Power Unit

ARC Aggregation of Red Blood Cells

ARS Air Revitalization System

Atmospheric Revitalization System

ASA Aerosurface Amplifier

ASCAN Astronaut Candidate

ASRM Advanced Solid Rocket Motor

ASE Airborne Support Equipment

ATCS Active Thermal Control Subsystem

ATE Automatic Test Equipment

ATO Abort to Orbit

ATT Attached

ATVC Ascent Thrust Vector Control

AVVI Attitude/Vertical Velocity Indicator


BFC Backup Flight Control (System)

BFS Backup Flight System

BLDG Building

BOC Base Operations Contract

BRS Body Restraint System


C&W Caution and Warning

CAI Computer-aided Instruction

CAIT Computer-aided Instructional Trainer

CAPCOM Capsule Communicator (spacecraft communicator)

CAPS Crew Activity Planning System

CAU Computational Arithmetic Unit

CCAFS Cape Canaveral Air Force Station

CCMS Checkout, Control and Monitor Subsystem

CCT Crew Compartment Trainer

CCTV Closed Circuit Television

CDMS Command and Data Management Subsystem

CDMS Command & Data Management System

Command & Data Management Systems Officer


CDR Commander

CDS Central DAta System

CEIT Cargo Equipment Integration Test

CFES Continuous Flow Electrophoresis System

CHASE Coronal Helium Abundance Spacelab Experiment

CIC Crew Interface Coordinator

CIE Communications Interface Equipment

CIOS Crew/Instructor/Operator Station

CIR Cargo Integration Review

CITE Cargo Integration Test Equipment

CNES Centre National d'Etudes Spatiales

COAS Crew Optical Alignment Sight

COMM Communications

CPU Central Processing Unit

CRT Cathode Ray Tube

CRYO Cryogenic

CST Crew Software Trainer

CTS Call to Stations


DAP Digital Autopilot

DARPA Defense Advanced Research Projects Agency

DBN Data Base Network

DC Direct Current

DCC Data Computation Complex

DCR Design Certification Review

DCS Display Control System

DDU Data Display Unit

DECEL Decelerating

DET Detached

DFI Development Flight Instrumentation

DFRF Hugh L. Dryden Flight Research Facility

DFVLR Deutsche Forshung und Versuchsanstalt fur

Luft-und Raumfahrt

DIG Digital Image Generation

Digital Image Generator

DMC Data Management Coordinator

DMOS Diffusive Mixing of Organic Solutions

DOD Department of Defense

DOP Diver Operated Plug

DPA Data Processing Assembly

DPS Data Processing System

DR Discrepancy Report

DSC Dedicated Signal Conditioner


EAFB Edwards Air Force Base

ECAS Experiment Computer Application Software

ECG Electrocardiograph, Electrocardiogram

ECLSS Environmental Control & Life Support System

ECOS Experiment Computer Operating System

ECS Environmental Substem

European Communications Satellite

EECOM Electrical, Environmental, Consumables

& Mechanical Systems

Electrical, Environmental and Consumable Manager

EECOMP Electrical, Environmental & Consumables Systems Engineer

EEG Electroencephalogram

EI Entry Interface

EIU Engine Interface Unit

ELDO European Launcher Development Organization

ELRAD Earth Limb Radiance

EM Spacelab Engineering Model

EMU Extravehicular Mobility Unit

EOG Electro-oculogram

EOM-1 First Earth Observation Mission

EPDM Experiment Power Distribution Box

EPDS Electrical Power Distribution Subsystem

EPS Electrical Power System

EPSP Experiment Power Switching Panel

ESA European Space Agency

ESMC Eastern Space and Missile Center

ESRO European Space Research Organization

ESTEC ESA's Technology Centre

ET External Tank

ETA Environmental Test Article

ETR Eastern Test Range

EURECA European Retrievable Carrier

EVA Extravehicular Activity

EXC Experiment Computer


FAM Familiarization

FAO Flight Activities Officer

FAP Failure Analysis Program

FAUST Far Ultra-violet Space Telescope

FAWG Flight Assignment Working Group

FBCS Fixed Base Crew Stations (Shuttle MIssion Simulator)

F/C Flight Controller

FC Flight Critical

FCOD Flight Crew Operations Directorate

FCR Flight Control Room

FCS Flight Control System

FCT Flight Crew Trainer

Flight Controller Trainer

FCTS Flight Crew Trainer Simulator

FD Flight Director

FDF Flight Data File

FDO Flight Dynamics Officer

FFT Full-Fuselage Trainer

FGB Functional Cargo Block (Russian energy block for International Space Station)

FOD Flight Operations Directorate

FOE Flight Operations Engineer

FOPG Flight Operations Planning Group

FOR Flight Operations Review

FOSO Flight Operations Scheduling Officer

FR Firing Room

FRCS Forward Reaction Control System

FRF Flight Readiness Firing

FRR Flight Readiness Review

FSE Flight Simulation Engineer

FSLP First Spacelab Payload

FSS Fixed Service Structure

FSSR Functional Subsystem Software Requirements

FU Spacelab Flight Unit

FWD Forward


GAS Getaway Special

GC Ground Control

GDO Guidance Officer

GEO Geosynchronous or Geostationary Orbit

GIRL German Infra-Red Laboratory

GLS Ground Launch Sequencer

GMT Greenwich Mean Time

GN Ground Network

GN&C Guidance, Navigation and Control Computer

GNC Guidance, Navigation & Control Systems Engineer

Guidance, Navigation and Control

GPC General Purpose Computer (Shuttle)

GPM General Payload Model

GSE Ground Support Equipment

GSFC Goddard Space Flight Center

GSTDN Ground Spacecraft Tracking and Data Network


HAC Heading Alignment Circle

HB High Bay

HDRR High Data Rate Recorder

HMF Hypergolic Maintenance Facility

HOSC Huntsville Operations Support Center

HPPF Horizontal Payloads Processing Facility

HRDA High Rate Data Assembly

HSI Horizontal Situation Indicator

HUD Heads-up Display

HUS Hypergolic Umbilical System

HYD Hydraulics


IC Intelligent Controller

ICD Interface Control Document

IECM Induced Environment Contamination Monitor

IEF Isoelectric Focusing Experiment

IG Inertial Guidance

ILS Instrument Landing System

IMF In Flight Maintenance

IML International Microgravity Laboratory

IMU Inertial Measurement Unit

INCO Instrumentation & Communications Officer

INST Instrumentation

INSTR Instructor

IOAU Input/Output Arithmetic Unit

IPR Interim Problem Report

IPS Instrument Pointing System

IRAS Infra-Red Astronomical Satellite

IRCFE Infrared Communications Flight Experiment

IRIG Interrange Instrumentation Group

IS Instructor Station

ISF Industrial Space Facility

ISO Imaging Spectrometric Observatory

ISP Integrated Support Plan

ISS International Space Station

IUS Inertial Upper Stage

IVA Intravehicular Activity

IWG Investigators' Working Group


JEA Joint Endeavor Agreement

JPL Jet Propulsion Laboratory

JSC Lyndon B. Johnson Space Center

JSLWG Joint Spacelab Working Group


KSC John F. Kennedy Space Center


LC Launch Complex

LCC Launch Control Center

LCS Launch Control System

LDEF Long Duration Exposure Facility

LDG Landing

LEO Low Earth Orbit

LETF Launch Equipment Test Facility

LFC Large Format Camera

LOX Liquid Oxygen

LPS Launch Processing System

LSA Launch Services Agreement

LWG Logistics Working Group


MAU Million Accounting Units

MBCS Motion Base Crew Station (Shuttle Mission Simulator)

MCC Mission Control Center at JSC

MCDS Multifunction CRT Display System

MD Mission Director

MDD Mate/Demate Device

MDF Manipulator Development Facility

MDM Multiplexer/demultiplexer

ME Main Engine

MEA Material Experiment Assembly

MEC Master Event Controller

MECH Mechanical

MECO Main Engine Cutoff

MEDEA Materials Laboratory

MET Mission Elapsed Time

MGR Manager

MIDAS Management Information Data Base Automation System

MIS Management Information System

MIT Massachusetts Institute of Technology

MLE Mesoscale Lightning Experiment

MLP Mobile Launch Platform

MLR Monodisperse Latex Reactor

MLS Microwave Landing System

MMACS Maintenance, Mechanical Arm & Crew Systems Engineer

MMPSE Multiuse Mission Payload Support Equipment

MMSE Multiuse Mission Support Equipment

MMU Manned Maneuvering Unit

Mass Memory Unit

MO Maintenance and Operations

MOCR Mission Operations Control Room

MOD Mission Operations Directorate (JSC)

MOMS Modular Opto-electronic Multi-spectral Scanner

MOP Mission Operations Plan

MOU Memorandum of Understanding

MPGHM Mobile Payload Ground Handling Mechanism

MPPSE Multipurpose Payload Support Equipment

MPS Main Propulsion System

MRSE Microwave Remote Sensing Experiment

MS Mission Specialist

MSB Modified Speed Brake

MSBLS Microwave Scanning Beam Landing System

MSCI Mission Scientist

MSDR Material Sciences Double Rack

MSFC George C. Marshall Space Flight Center

MSL Material Sciences Laboratory

MSS Mobile Service Structure

MST Mobile Service Tower

MUM Mass Memory Unit Manager


NASA National Aeronautics and Space Administration

NASCOM NASA Communications Network

NAV Navigation

NAVAIDS Navigation Aids

NAVEX Navigation Experiments

NBF Neutral Buoyancy Facility

NIP Network Interface Processor

NOAA National Oceanic and Atmospheric Administration

NOCC Network Operations Control Center

NSRS NASA Safety Reporting System

NSS Network Simulation System

NSTL National Space Technology Laboratories

NSTS National Space Transportation System


O&C Operations and Checkout (Building)

OAA Orbiter Access Arm

OAST Office of Aeronautics & Space Technology

OC Operations Coordinator

OCCL Occlusion

OCS Orbiter Control System

OFI Operational Flight Instrumentation

OFT Orbiter Flight Test

OI Operational Instrumentation

OJT On-the-job Training

OMBUU Orbiter Midbody Umbilical Unit

OMI Operation Maintenance Inspection

OMRF Orbiter Maintenance & Refurbishment Facility

OMS Orbital Maneuvering System

OPF Orbiter Processing Facility

ORS Orbital Refueling System

OS Operator Station

OSF Office of Space Flight

OSS Office of Space Science

NASA Office of Space Sciences

OSSA Office of Space Science and Applications

OSTA Office of Space and Terrestrial Applications

NASA Office of Space and Terrestrial Applications

OTV Orbital Transfer Vehicle

OV Orbiter Vehicle


P/L Payload

PACE Prelaunch Automatic Checkout Equipment

PAM Payload Assist Module

PAYCOM Payload Command Coordinator

PCG Protein Crystal Growth Experiment

PCR Payload Changeout Room

PCS Pressure Control System

PDP Plasma Diagnostics Package

PDRS Payload Deployment & Retrieval System

PE Perkin-Elmer

PGHM Payload Ground Handling Mechanism

PHF Payload Handling Fixture

PICPAB Phenomena Induced by Charged Particle Beams

PIP Payload Integration Plan

PLBD Payload Bay Door

PLSS Portable Life-Support Subsystem

PLT Pilot

POCC Payload Operations Control Center

POD Payload Operations Director

PPE Phase Partitioning Experiment

PR Problem Report

PRF Parachute Refurbishment Facility

PROP Propulsion

PROXOPS Proximity Operations

PRSD Power Reactant Storage & Distribution

PS Payload Specialist

PVTOS Physical Vapor Transport of Organic Solids

PWR DIST Power Distribution


R&D Research Development

RA Radar Altimeter

RAU Remote Acquisition Unit

RCS Reaction Control System

RGA Rate Gyro Assembly

RHC Rotational Hand Controller

RJD Reaction Jet Device

RM Redundancy Management

RMA Remote Manipulator Arm

RMS Remote Manipulator System

RNDZ Rendezvous

RPS Record Playback Subsystem

RPTA Rudder Petal Transducer Assembly

RQMT Requirement

RSS Rotating Service Structure

RSRM Redesigned Solid Rocket Motor

RTLS Return to Launch Site


SAEF Spacecraft Assembly & Encapsulation Facility

SAIL Shuttle Avionics Integration Laboratory

SAR Synthetic Aperture Radar

SBS Satellite Business System

SBTC Speed Brake/thrust Controller

SCA Shuttle Carrier Aircraft

Simulation Control Area

SCAP Shuttle Configuration Analysis Program

SCAPE Self-Contained Atmospheric Protection Ensemble

SCR Software Change Request

SEPAC Space Experiments with Particle Accelerators

SES Shuttle Engineering Simulator

SFOM Shuttle Flight Operations Manual

SHEAL Shuttle High Energy Astrophysics Laboratory

SID Simulation Interface Device

SIM Simulation

SIM SUP Simulation Supervisor

SIP Standard Interface Panel

SIR Shuttle Imaging Radar

SIRTF Shuttle Infra-Red Telescope Facility

SIT Shuttle Interface Test

SL Spacelab

SLF Shuttle Landing Facility

SLS Spacelab Simulator

SLSST Spacelab Single System Trainer

SM System Management

SMAB Solid Motor Assembly Building

SMCH Standard Mixed Cargo Harness

SME Subject Matter Expert

SMS Shuttle Mission Simulator

SN Space Network

SODB Shuttle Operational Data Book

SOS Space Operations Simulator

SOT Solar Optical Telescope

SPAS Shuttle Pallet Satellite

SPI Surface Position Indicator

SPICE Spacelab Payload Integration and Coordination in Europe

SPIF Shuttle Payload Integration Facility

SPOC Shuttle Portable On-Board Computer

SRB Solid Rocket Booster

Solid-fuel Rocket Booster

SRBDF Solid Rocket Booster Disassembly Facility

SRL Shuttle Radar Laboratory

SRM Solid Rocket Motor

SRM&QA Safety, Reliability, Maintainability & Quality Assurance

SSC John C. Stennis Space Center

Subsystem Computer

SSCP Small Self-Contained Payload

SSIP Shuttle Student Involvement Program

SSME Space Shuttle Main Engine

SSMEC Space Shuttle Main Engine Controller

SSP Standard Switch Panel

SSR System Software Requirement

SSSH Space Shuttle System Handbook

SST Single System Trainer

ST Star Tracker

STA Shuttle Training Aircraft

STC Satellite Test Center

STDN Spacecraft Tracking and Data Network

STS Space Transportation System


T Time

TACAN Tactical Air Navigation

Tactical Air Navigation System

TAGS Text and Graphics System

TAEM Terminal Area Energy Management

TAL Trans-Atlantic Abort Landing

TDRS Tracking and Data Relay Satellite

TDRSS Tracking and Data Relay Satellite System

TECH Technical

THC Translational Hand Controller

TMS Teleoperator Maneuvering System

TPAD Trunnion Pin Acquisition Device

TPS Thermal Protection System

Training Planning System

TRNG Training

TSM Tail Service Mast

TSS Telemetry Simulation System

TVC Thrust Vector Control


UHF Ultra-high Frequency

UHV Ultra High Vacuum

UV Ultra-violet


VAB Vehicle Assembly Building

VFI Verification Flight Instrumentation

VFT Verification Flight Test

VIS Visual System

VLF Very Low Frequency

VPF Vertical Processing Facility


WCS Waste Collection System

WETF Weightless Environment Test Facility

WMS Waste Management System

WSB Water Spray Boiler

WSMC Western Space & Missile Center

WSMR White Sands Missile Range

WSSH White Sands Space Harbor

WTR Western Test Range

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