| Acronym | Meaning |
| CRIM | Commercial Refrigerator Incubator Module |
| RAS | Royal Astronomical Society |
| DOD | Department Of Defense |
| DPSS | DATA Processing Services Subsystem |
| ISEP | Isolated/Stabilized Exercise Platform |
| NRL | Naval Research Laboratory |
| APT | Automatic Photoelectric Telescope |
| APL | Applied Physics Laboratory (at Johns Hopkins) |
| JERS | Japanese Earth Resources Satellite |
| NOCC | Network Operations Control Center |