Appendix 1

Glossary of Abbreviations

DOD - Department of Defense

MIT - Massachusetts Institute of Technology

MSC - Manned Spacecraft Center

NAA - North American Aviation, Inc.

NACA - National Advisory Committee for Aeronautics

NASA - National Aeronautics and Space Administration

STG - Space Task Group

U.S. - United States of America

U.S.S.R. - Union of Soviet Socialist Republics