| Acronym | Meaning |
| DC | Direct Current |
| TMBU | Table Maintenance Block Update |
| RVN | Requirements Verification Network |
| MOD | Mission Objectives Document |
| MES | Mated Elements Simulator |
| PRES | Present |
| T/V | Thermal Vacuum |
| SMCU | Separation Monitoring Control Unit |
| CTS | COMPuterized Training System |
| EXP | Expand |