Appendix 1
Glossary of Abbreviations
AAP - Apollo Applications Program
ACBWG - Apollo Reentry Communications Blackout Working Group
ACE - acceptance checkout equipment; also automatic checkout equipment
ACE - acceptance checkout equipment
S/C - spacecraft
ACED - AC Electronics Division, General Motors Corporation
AEC - Atomic Energy Commission
AEDC - Arnold Engineering Development Center, Air Force
AES - Apollo Extension System, forerunner of Apollo Applications Program
AFETR - Air Force Eastern Test Range
AFRM - airframe
AFSC - Air Force Systems Command
ALEP - Apollo lunar exploration program
ALSEP - Apollo Lunar Surface Experiments Package
ALSD - Apollo lunar surface drill
AMS - Apollo mission simulator
AOH - Apollo operations handbook
AP - Associated Press
ARC - Ames Research Center
AS - Apollo-Saturn
ASPO - Apollo Spacecraft Program Office, MSC
ASSB - Apollo Site Selection Board
ASTT - Apollo Special Task Team
ATM - Apollo telescope mount
BAC - Bell Aerospace Company or, before January 1970, Bell Aerosystems Company
BeV - billion electron volts
BIG - biological isolation garment
BTU - British thermal unit
degrees C - degrees Celsius (centigrade)
CARIDS - customer acceptance review item dispositions
CARR - Customer Acceptance Readiness Review
CASE - Coordinated Aerospace Supplier Evaluation
cc - cubic centimeter(s)
CCB - Configuration Control Board
CDR - commander
cm - centimeter(s)
CM - command module
CMP - command module pilot
cps - cycles per second (see Hz)
CSM - command and service modules
cu m - cubic meter(s)
DCR - Design Certification Review
DFI - development flight instrumentation
DOD - Department of Defense
DPS - descent propulsion system
EASEP - Early Apollo Science Experiments Package
ECP - engineering change proposal
ECS - environmental control system
EDCP - engineering design change proposal
EDS - emergency detection system
ELS - earth landing system
EMS - entry monitor system
EMU - extravehicular mobility unit
EO - engineering order
eV - electron volts(s)
EVA - extravehicular activity
degrees F - degrees Fahrenheit
FCOD - Flight Crew Operations Directorate
FCSM - flight combustion stability monitor
FAI - Fédération Aéronautique International (International Aeronautical Federation)
FOD - Flight Operations Directorate
FRR - Flight Readiness Review
G - specific gravity
g - gram, gravity
GAEC - Grumman Aircraft Engineering Corporation
GAO - Government Accounting Office
GE - General Electric Company
GET - ground elapsed time
GFE - government-furnished equipment
GLEP - Group for Lunar Exploration Planning
GMT - Greenwich mean time
GSE - ground support equipment
GSFC - Goddard Space Flight Center
HEAO - High Energy Astronomy Observatory (satellite)
HF - high frequency
Hz - hertz (unit of frequency: 1 cycle per second)
IBM - International Business Machines Corporation
ICBC - Interagency Committee on Back Contamination
IMU - inertial measurement unit
ITT - International Telephone and Telegraph Corporation
J - joule
JPL - Jet Propulsion Laboratory
JSC - Johnson Space Center (Manned Spacecraft Center before February 1973)
K - kelvin(s)
kg - kilograrn(s)
km - kilometer(s)
km/hrs - kilometers per hour
KSC - Kennedy Space Center
LaRC - Langley Research Center
LC - Launch Complex
LEM - lunar excursion module
LeRC - Lewis Research Center
LES - launch escape system
LGI - lunar geology investigation
LION - Lunar International Observer Network
LLRF - Lunar Landing Research Facility
LLRV - lunar landing research vehicle
LLTV - lunar landing training vehicle
LM - lunar module
LMP - lunar module pilot
LMS - lunar module simulator
LMSS - lunar mapping and survey system
LOI - lunar orbit insertion
LOLA - lunar orbit and landing approach
LOX - liquid oxygen
LRL - Lunar Receiving Laboratory
LRV - lunar roving vehicle
LSI - Lunar Science Institute
LTA - lunar module test article
m - meter(s)
mascons - mass concentrations of dense material on lunar surface
MC - megacycles
MCC (H) (K) - Mission Control Center (Houston) (Kennedy)
MCP - mission control programmer
MCR - master change record
MDF - mild detonating fuse
MDOP - maximum design operating pressure
MET - mobile equipment transporter
MeV - million electron volts
MHz - megahertz (million cycles per second)
min - minute(s)
MIT - Massachusetts Institute of Technology
mm - millimeter
MMH - monomethylhydrazine
MOL - Manned Orbiting Laboratory
MRB - Material Review Board
MSC - Manned Spacecraft Center (became Johnson Space Center February 1973)
MSFC - Marshall Space Flight Center
MSFN - Manned Space Flight Network
MSOB - Manned Spacecraft Operations Building
M&SS - Mapping and survey system
Mw - megawatt(s)
NAA - North American Aviation, Inc. (until Sept. 22, 1967)
NAR (NR) - North American Rockwell Corporation (Sept. 22, 1967-Feb. 16, 1973; then Rockwell International Corporation)
NAS - National Academy of Sciences
NASA - National Aeronautics and Space Administration
NASM - National Air and Space Museum, Smithsonian Institution
nm - nautical mile(s)
NR - North American Rockwell Corporation (North American Aviation, Inc., before Sept. 22, 1967; Rockwell International Corporation Feb. 16, 1973)
NSSDC - National Space Science Data Center
OAO - Orbiting Astronomical Observatory (satellite)
OART - Office of Advanced Research and Technology, NASA Headquarters
OAS - optical alignment sights
OCP - Operational Checkout Procedure
OMSF - Office of Manned Space Flight, NASA Headquarters
OPS - oxygen purge system
ORDEAL - orbital rate drive electronics for Apollo and LM
ORI - Operational readiness inspection
OSO - Orbiting Solar Observatory (satellite)
OSSA - Office of Space Science and Applications, NASA Headquarters
OTDA - Office of Tracking and Data Acquisition, NASA Headquarters
PAD - project approval document
PDR - Preliminary Design Review
PGA - pressure garment assembly
PHS - Public Health Service
PI - principal investigator
PIB - Pyrotechnic Installation Building
PLSS - portable life support system
pogo - launch vehicle induced oscillations (not an acronym; derived from "pogo stick" analogy)
PSAC - President's Scientific Advisory Committee
psi - pounds per square inch
psia - pounds per square inch absolute
PTV - parachute test vehicle
RASPO - Resident Apollo Spacecraft Program Office
RCA - Radio Corporation of America
RCS - reaction control system
RF - radio frequency
RTCC - Real Time Computer Complex
RTG - radioisotope thermoelectric generator
RTV - room temperature vulcanizing
SAMSO - Space and Missiles Organization, Air Force
S/C - spacecraft
SEB - Source Evaluation Board
sec - second(s)
SEQ - scientific equipment
SESL - Space Environmental Simulation Laboratory
SEVA - Stand-up extravehicular activity
S-IB - Saturn IB launch vehicle first stage
S-IC - Saturn V launch vehicle first stage
S-II - Saturn second stage
S-IVB - Saturn IB second stage; Saturn V third stage
SID - Space and Information Systems Division, NAA
SIM - scientific instrument module
SLA - spacecraft-lunar module adapter
SLSS - supplementary life support system
SM - service module
SPF - single point failure
SPS - service propulsion system
sq cm - square centimeter(s)
sq m - square meter(s)
SSC - spacesuit communications
STAG - Scientific and Technical Advisory Committee, university-NASA
STG - Space Task Group, NASA (forerunner of Manned Spacecraft Center); Space Task Group, President's (1969)
SWIP - Super Weight Improvement Program
TCP - test and checkout procedures
TEI - transearth injection (insertion into trajectory to earth)
TLI - translunar injection (insertion into trajectory to moon)
TM - test model
TV - thermal vacuum-test article; also television
V - volt(s)
VHF - very high frequency
W - Watt(s)
WIF - Water Immersion Facility
WSMR - White Sands Missile Range, Army
WSTF - White Sands Test Facility, MSC, NASA
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