| Acronym | Meaning |
| ATAL | Alternate Transoceanic Abort Landing |
| S/C | SpaceCraft |
| REM | Rat Enclosure Module |
| JCMT | James Clerk Maxwell Telescope |
| ACF | Automated Control Function |
| TDRS | Tracking And Data Relay Satellite |
| LIS | Lightning Imaging Sensor |
| FOLD | Federally-Owned LANDSAT Data |
| OSC | Orbital Sciences Corporation |
| IOA | Institute Of Astronomy (Cambridge) |