| Acronym | Meaning |
| D | LSC DLSMData Link Summary Message |
| PARAM | Parameter |
| DCR | Document Change Record (or Review) |
| TVC | Thermal Vacuum Chamber |
| SAB | SACstrategic Air Command(USAF) |
| CCL | Commonality Candidate List |
| NIM | NNIM Nuclear Instrumentation Module |
| ICAO | International Civil Aviation Organization |
| LLPO | Launch And Landing Project Office |
| SLV | Space Launch Vehicle |