| Acronym | Meaning |
 | IOTA | International Occultation Timing Association |
| UARS | Upper Atmosphere Research Satellite |
| TSPK | Tsentr Podgotovka Kosmonavti |
| RKA | Rossiskoye Kosmicheskoye Agentsvo |
| TSS | Targeted Search System / Tethered Satellite System |
| STS | Shuttle Transport System / Space Transportation System |
| NGT | NASA Ground Terminal |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| GPPF | Gravitational Plant Physiology Facility |
| TSTO | Two Stage To Orbit |
Browse by Letter:
