Spacecraft Technology: The Early Years

| ABMA | Army Ballistic Missile Agency | |
| AC | Alternating current | |
| AGC | Apollo Guidance Computer | |
| AGS | Abort Guidance System | |
| AIAA | American Institute of Aeronautics and Astronautics | |
| AIS | American Interplanetary Society | |
| ALSEP | Apollo Lunar Surface Experiments Package | |
| APT | Automatic Picture Transmission | |
| ARPA | Advanced Research Projects Agency | |
| ARS | American Rocket Society | |
| ASTP | Apollo-Soyuz Test Project | |
| AT&T | American Telephone and Telegraph Company | |
| ATS | Applications Technology Satellite | |
| AVCS | Advanced Vidicon Camera System | |
| BIS | British Interplanetary Society | |
| BNCSR | British National Committee for Space Research | |
| BTL | Bell Telephone Laboratories | |
| Caltech | California Institute of Technology | |
| CCD | Charge-Coupled Device | |
| CCIR | International Radio Consultative Committee (French abbreviation) | |
| CM | Command Module | |
| CNES | Centre Nationald' Etudes Spatiales | |
| Comsat | Communications Satellite Corporation | |
| comsat | Communications satellite | |
| COSPAR | Committee on Space Research | |
| CSM | Command and Service Module | |
| DC | Direct current | |
| DCTL | Direct-coupled transistor logic | |
| DMSP | Defense Meteorological Satellite Program | |
| Do D | Department of Defense | |
| DSIF | Deep Space Instrumentation Facility | |
| DSKY | Display and keyboard interface ( disky ) | |
| DSN | Deep Space Network | |
| ECM | Electronic counter-measures | |
| ECS | Environmental Control System | |
| EHF | Extra high frequency | |
| ELDO | European Launcher Development Organisation | |
| EPC | Electronic power conditioner | |
| ERTS | Earth Resources Technology Satellite | |
| ESA | European Space Agency | |
| ESMR | Electrically Scanning Microwave Radiometer | |
| ESRO | European Space Research Organisation | |
| ESSA | Environmental Science Services Administration | |
| EVA | Extra-vehicular activity | |
| FAI | F d ration A ronautique Internationale | |
| FCC |