| Acronym | Meaning |
 | TM | Thematic Mapper |
| CM | Command Module |
| IOC | In-Orbit Checkout And Calibration |
| FEM | Flight-Engineering Model |
| IGY | International Geophysical Year |
| OSC | Orbital Sciences Corporation |
| EDRS | European Data Relay Satellite |
| CRAF | Comet Rendezvous/Asteroid Flyby |
| ZCG | Zeolite Crystal Growth |
| ARISTOTELES | Applications And Research Involving Space Technologies Observing The Earth's Field From Low Earth Orbiting Satellite |
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