| Acronym | Meaning |
 | GSO | GeoSynchronous Earth Orbit |
| GPPF | Gravitational Plant Physiology Facility |
| GMC | Giant Molecular Cloud |
| ISZ | Iskusstvenniy Sputnik Zemli |
| NBS | National Bureau Of Standards |
| TSS | Targeted Search System / Tethered Satellite System |
| SAIL | Shuttle Avionics Integration Laboratory |
| GAS | Get-Away Special |
| CRIM | Commercial Refrigerator Incubator Module |
| LRB | Liquid Rocket Booster |
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