| Acronym | Meaning |
| LERC | Lewis Research Center |
| VOIR | Venus Orbiting Imaging Radar |
| CRISTA | Cryogenic Infrared Spectrometer Telescope For Atmosphere |
| ET | External Tank |
| DFRF | Dryden Flight Research Facility |
| ATAL | Alternate Transoceanic Abort Landing |
| OMS | Orbital Maneuvering System |
| IC | Index Catalog |
| LEDA | On-line Earthnet Data Access |
| ASI | Agenzia Spaziale Italiano |