| Acronym | Meaning |
| MT | Mount |
| VCM | Volatile Condensable Material |
| RLY | Relay |
| LOP | In-Orbit Plane |
| MFC | Multiple Flight Computer |
| SIVE | Shuttle Interface Verification EquiPment |
| LDEC | Lunar Docking Events Controller |
| TK | Tank |
| IGM | Interactive Guidance Mode |
| CCA | Communications Carrier Assembly |