| Acronym | Meaning |
| FEID | Flight Equipment Interface Device |
| TR2 | Payload Furnished Mars Tape Recorder (2 Of 2) |
| DCM | Display And Control Module |
| MDRS | Mission Data Retrieval System |
| SDS | Shuttle Dynamic Simulation (Simulator) |
| NT | Newton |
| RAX | Remote Access Terminal |
| HYPACE | Hybrid Programmable Attitude Control Electronics |
| IUS | International Ultraviolet ExPlorer |
| ST | Special Tooling |