| Acronym | Meaning |
| APJ | Astrophysical Journal |
| IMU | Inertial Measurement Unit |
| CFHT | Canada-France-Hawaii Telescope |
| SCA | Shuttle Carrier Aircraft |
| ENACEOS | ENAC For EOS |
| LRSI | Low-temperature Reusable Surface Insulation |
| USMC | United States Marine Corps |
| SSF | Space Station Freedom |
| BMDO | Ballistic Missile Defense Office |
| VAFB | Vandenberg Air Force Base |