| Acronym | Meaning |
| PHS | Payload Handling Station |
| OF | Oxygen Fill |
| MIOS | Multi-IMU Operation System |
| WSGT | White Sands Ground Terminal |
| M/U | Mockup |
| EGRET | Energetic Gamma Ray Explorer Telescope |
| CPC | ComputerProgramComponent |
| ISPG | Institutional Support Planning GrouP |
| OPR | Operations Planning Review |
| FCIP | Flight Cargo Implementation Plan |