ASPO - Apollo Spacecraft Program Office
BP - Boilerplate
CM - Command module
CSM - Command and service modules
EDD - Engineering and Development Directorate
GAEC - Grumman Aircraft Engineering Corporation
GE - General Electric Company
HF - High frequency
IBM - International Business Machines Corporation
ITT - International Telephone and Telegraph Company
KSC - Kennedy Space Center
LEM - Lunar excursion module
LES - Launch escape system
LEV - Launch escape vehicle
LOC - Launch Operations Center
LTV - Ling-Temco-Vought
MCC - Mission Control Center
MIT - Massachusetts Institute of Technology
MSC - Manned Spacecraft Center
MSF - Manned Space Flight
MSFC - Marshall Space Flight Center
NAA - North American Aviation, Inc.
NASA - National Aeronautics and Space Administration
OMSF - Office of Manned Space Flight
OSSA - Office of Space Sciences and Applications
RASPO - Resident Apollo Spacecraft Program Office
RCA - Radio Corporation of America
RF - Radio frequency
SM - Service module
STL - Space Technology Laboratories, Inc.
VHF - Very high frequency
WSMR - White Sands Missile Range
WSTF - White Sands Test Facility