| Acronym | Meaning |
| MRR | Mission Reconfiguration Request |
| SPDB | Subsystem Power Distribution BC)x |
| DCV | Direct Current Volts |
| PTM | Pulse Time Modulation |
| PB | Phonetically Balanced |
| IWBS | Indirect Work Breakdown Structure |
| SUPSALV | Supervisor Of Salvage (U.S. Navy) |
| MDR | Monthly Director's Review |
| PRS | Personnel Rescue System |
| FSR | Flight Specific Requirements |