| Acronym | Meaning |
| DIRBE | Diffuse Infrared Background Experiment |
| VIB | Vertical Integration Building |
| TSUP | Tsentr Upravileniya Polyoti |
| ACTS | Advanced Communications Technology Satellite |
| WFF | Wallops Flight Facility |
| CEA | Center For EUV Astrophysics |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| OV | Orbital Vehicle |
| TAL | Transatlantic Abort Landing |
| CRAF | Comet Rendezvous/Asteroid Flyby |