| Acronym | Meaning |
 | ISZ | Iskusstvenniy Sputnik Zemli |
| HSP | High Speed Photometer |
| CITA | Canadian Institute For Theoretical Astrophysics |
| IGBP | International Geosphere/Biosphere Programme |
| LEM | Lunar Excursion Module |
| SOFIA | Stratospheric Observatory For Infrared Astronomy |
| CRRES | Combined Release/Radiation Effects Satellite |
| BNSC | British National Space Centre |
| TCM | Trajectory Control Maneuver |
| DRAO | Dominion Radio Astrophysical Observatory |
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