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NAME MEANING ADSF Automated Directional Solidification Furnace AFSCN Air Force Satellite Control Network A/L Approach and Landing ALT Approach and Landing Test (Program) AMU Astronaut Maneuvering Unit AOA Abort Once Around APS Alternate Payload Specialist APU Auxiliary Power Unit ARC Aggregation of Red Blood Cells ASE Airborne Support Equipment ATE Automatic Test Equipment ATO Abort to Orbit BFC Backup Flight Control (System) BOC Base Operations Contract CAPCOM Capsule Communicator CCAFS Cape Canaveral Air Force Station CCMS Checkout, Control and Monitor Subsystem CCTV Closed Circuit Televison CDR Commander CDMS Command & Data Management Systems Officer CDS Central Data System CFES Continuous Flow Electrophoresis System CIC Crew Interface Coordinator CIE Communications Interface Equipment CITE Cargo Integration Test Equipment CTS Call to Stations DCC Data Compution Complex DCR Design Certification Review DCS Display Control System DIG Digital Image Generation DFI Development Flight Instrumentation DFRF Hugh L. Dryden Flight Research Facility DMC Data Management Coordinator DMOS Diffusive Mixing of Organic Solutions DOD Department of Defense DOP Diver Operated Plug DPS Data Processing System EAFB Edwards Air Force Base ECLSS Environmental Control & Life Support System EECOMP Electrical, Environmental & Consumables Systems Engineer EI Entry Interface ELRAD Earth Limb Radiance EMU Extravehicular Mobility Unit ESA European Space Agency ESMC Eastern Space and Missile Center ET External Tank EVA Extravehicular Activity FAO Flight Activities Officer FAWG Flight Assignment Working Group FBSC Fixed Base Crew Stations F/C Flight Controller FCT Flight Crew Trainer FCTS Flight Crew Trainer Simulator FD Flight Director FDF Flight Data File FDO Flight Dynamics Officer FOD Flight Operations Directorate FOE Flight Operations Engineer FOPG Flight Operations Planning Group FOSO Flight Operations Scheduling Officer FR Firing Room FRC Flight Control Room FRCS Forward Reaction Control System FRF Flight Readiness Firing FRR Flight Readiness Review FSE Flight Simulation Engineer FSS Fixed Service Structure GAS Getaway Special GC Ground Control GDO Guidance Officer GLS Ground Launch Sequencer GN Ground Network GNC Guidance, Navigation & Control Systems Engineer GPC General Purpose Computer GSE Ground Support Equipment GSFC Goddard Space Flight Center HAC Heading Alignment Circle HB High Bay HMF Hypergolic Maintenance Facility HPPF Horizontal Payloads Processing Facility HUS Hypergolic Umbilical System IECM Induced Environment Contamination Monitor IEF Isoelectric Focusing Experiment IG Inertial Guidance ILS Instrument Landing System IMF In Flight Maintenance IMU Inertial Measurement Unit INCO Instrumentation & Communications Officer IRCFE Infrared Communications Flight Experiment IRIG Interrange Instrumentation Group ISP Integrated Support Plan IUS Inertial Upper Stage IVA Intravehicular Activity JPL Jet Propulsion Laboratory JSC Lyndon B. Johnson Space Center KSC John F. Kennedy Space Center LC Launch Complex LCC Launch Control Center LCS Launch Control System LDEF Long Duration Exposure Facility LETF Launch Equipment Test Facility LOX Liquid Oxygen LPS Launch Processing System LSA Launch Services Agreement LWG Logistics Working Group MBCS Motion Base Crew Station MCC Mission Control Center MD Mission Director MDD Mate/Demate Device ME Main Engine MECO Main Engine Cutoff MET Mission Elapsed Time 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 MOD Mission Operations Directorate MOP Mission Operations Plan MPGHM Mobile Payload Ground Handling Mechanism MPPSE Multipurpose Payload Support Equipment MPS Main Propulsion System MS Mission Specialist MSBLS Microwave Scanning Beam Landing System MSCI Mission Scientist MSFC George C. Marshall Space Flight Center MSS Mobile Service Structure MST Mobile Service Tower MUM Mass Memory Unit Manager NASCOM NASA Communications Network NBT Neutral Buoyancy Facility NIP Network Interface Processor NOCC Network Operations Control Center NSRS NASA Safety Reporting System NSTL National Space Technology Laboratories NSTS National Space Transportation System OAA Orbiter Access Arm OC Operations Coordinator O&C Operations and Checkout (Building) OAST Office of Aeronautics & Space Technology OFI Operational Flight Instrumentation OFT Orbiter Flight Test OMBUU Orbiter Midbody Umbilical Unit OMRF Orbiter Maintenance & Refurbishment Facility OMS Orbital Maneuvering System OPF Orbiter Processing Facility OSF Office of Space Flight OSS Office of Space Science OSSA Office of Space Science and Applications OSTA Office of Space and Terrestrial Applications OV Orbiter Vehicle PACE Prelaunch Automatic Checkout Equipment PAM Payload Assist Module PAYCOM Payload Command Coordinator PCG Protein Crystal Growth Experiment PCR Payload Changeout Room PDRS Payload Deployment & Retrieval System PGHM Payload Ground Handling Mechanism PHF Payload Handling Fixture PIP Payload Integration Plan PLSS Portable Life-Support Subsystem PLT Pilot POCC Payload Operations Control Center POD Payload Operations Director PPE Phase Partitioning Experiment PRC Payload Changeout Room PRF Parachute Refurbishment Facility PRSD Power Reactant Storage & Distribution PS Payload Specialist PVTOS Physical Vapor Transport of Organic Solids R&D Research Development RCS Reaction Control System RMS Remote Manipulator System RPS Record Playback Subsystem RSS Rotating Service Structure RTLS Return to Launch Site SAEF Spacecraft Assembly & Encapsulation Facility SAIL Shuttle Avionics Integration Laboratory SCA Shuttle Carrier Aircraft SCAMMA Station Conferencing & Monitoring Arrangement SCAPE Self-Contained Atmospheric Protection Ensemble SID Simulation Interface Device SIP Standard Interface Panel SIT Shuttle Interface Test SL Spacelab SLF Shuttle Landing Facility SMAB Solid Motor Assembly Building SMCH Standard Mixed Cargo Harness SMS Shuttle Mission Simulator SN Space Network SPIF Shuttle Payload Integration Facility SPOC Shuttle Portable On-Board Computer SRB Solid Rocket Booster SRBDF Solid Rocket Booster Dissassembly Facility SRM Solid Rocket Motor SRM&QA Safety, Reliability, Maintainability & Quality Assurance SSC John C. Stennis Space CenterSSCP Small Self-Contained Payload SSIP Shuttle Student Involvement Program SSP Standard Switch Panel SSME Space Shuttle Main Engines SST Single System Trainer STA Shuttle Training Aircraft STS Space Transportation System T Time TACAN Tactical Air Navigation TAEM Terminal Area Energy Management TAL Trans-Atlantic Abort Landing TDRS Tracking and Data Relay Satellite TPAD Trunnion Pin Acquisition Device TPS Thermal Protection System TSM Tail Service Mast UHF Ultra-high Frequency UV Ultra-violet VAB Vehicle Assembly Building VLF Very Low Frequency VPF Vertical Processing Facility WCS Waste Collection System WSMC Western Space & Missile Center WSMR White Sands Missile Range WSSH White Sands Space Harbor
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