| Acronym | Meaning |
| TTL | Transistor-Transistor Logic |
| EEG | Electroencephalogram |
| MDA | Maintainability Design Approach |
| RREU | Rendezvous Radar Electronics Unit |
| VT | STS Processing (KSC VO Dir.) |
| SCAN | Selected Current Aerospace Notices |
| MCA | Master ControlAssembly |
| BP | Cutoff |
| SEB | Support Equipment Building |
| SP-PAI | Project Assessment And Integration Staff (KSC) |