| Acronym | Meaning |
| AES | Atmospheric Exchange System |
| QPS | Quantity Planning Specification |
| MTBF | Mean Time Between Failure |
| DAC | Digital To Analog Converter |
| PCP | Project Cost Plan |
| FMOF | First Manned Orbital Flight |
| SCD | Source Control Document |
| SLF | Shuttle Landing Facility (OLF) |
| SSRR | Station Set Requirements Review |
| RCP | Right Circular Polarizer |