| Acronym | Meaning |
| VCS | Voice Command System |
| ITL | Integrate |
| LDR | Low Data Rate |
| S/C | Stabilization And Control |
| O/V-U/V | Over Voltage/Under Voltage |
| MDCA | Main Distribution Control Assembly |
| FOPP | Follow On Parts Production |
| MMES | MSFC Mated Element Systems |
| PSIA | Pounds Per Square Inch Absolute |
| JAEIC | Joint Atomic Energy Intelligence Committee |