Appendix 1

Glossary of Abbreviations

AEDC - Arnold Engineering Development Center

AFRM - airframe

AP - Associated Press

ASPO - Apollo Spacecraft Program Office

Btu - British thermal units

cm - centimeter, centimeters

CM - command module

CSM - command and service modules

cu m - cubic meter, cubic meters

DOD - Department of Defense

ELS - earth landing system

F - Fahrenheit

fps - feet per second

ft - foot, feet

g - specific gravity

GAEC - Grumman Aircraft Engineering Corporation

GE - General Electric

HF - high frequency

IBM - International Business Machines Corporation

in - inch, inches

ITT - International Telephone and Telegraph Corporation

JPL - Jet Propulsion Laboratory

JSC - Johnson Space Center

K - Kelvin scale

kg - kilogram, kilograms

KSC - Kennedy Space Center

lb - pound

lbs - pounds

LEM - Lunar excursion module

LLRV - Lunar Landing Research Vehicle

LTA - LEM test article

m - meter, meters

MDF - mild detonating fuse

mi - mile, miles

MIT - Massachusetts Institute of Technology

MSC - Manned Spacecraft Center

MSFC - Marshall Space Flight Center

NAA - North American Aviation, Inc.

NASA - National Aeronautics and Space Administration

nm - nautical miles

OMSF - Office of Manned Space Flight

psia - pounds per square inch average

RCA - Radio Corporation of America

RCS - reaction control system

RF - radio frequency

SID - Space and Information Systems Division (NAA)

SM - service module

sq m - square meter, square meters

SSC - space suit communications

VHF - very high frequency

WSMR - White Sands Missile Range

WSTF - White Sands Test Facility yard, yards

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