| Acronym | Meaning |
| CLAES | Cryogenic Limb Array Etalon Spectrometer |
| GRS | Gamma Ray Spectrometer |
| KPNO | Kitt Peak National Observatory |
| VAFB | Vandenberg Air Force Base |
| DCX | Delta Clipper EXperimental |
| CELSS | Controlled Ecological Life Support System |
| CIT | Circumstellar Imaging Telescope |
| FOC | Faint Object Camera |
| MVI | Microgravity Vestibular Investigation |
| PASS | Primary Avionics Software System |