| Acronym | Meaning |
| RFPA | Request For Proposal Authorization |
| VAR | Variable |
| FCW | Format Control Words |
| MVAS | Multipurpose Ventricular Actuating System |
| FWG | Facility Working Group |
| SRCBD | Software Requirements Control Board Directive |
| PL | Payload (P/L Preferred) |
| S/V | Space Vehicle |
| SMS | Separation Mechanism SubsYstem |
| ECP | Engineering Change Program |