| Acronym | Meaning |
| PIP | Plant Instrumentation Program |
| DCN | Document Change Notice |
| IVBC | Integrated Vehicle Baseline Config |
| MMES | MSFC Mated Element Systems |
| HLDS | Hydrogen Leak Detection System |
| SSAT | SPace Shuttle Access Tower (now FSS) |
| FAO | Flight Activities Officer |
| DCR | Design Concern Report |
| O&FS | Operations And Flight Support |
| CPAF | Cost Plus Award Fee |