| Acronym | Meaning |
| HITS | High Rate Multiplexer InPut/Output Test System |
| CIDR | Critical Intermediate Design Review |
| SWA | Support Work Authorization |
| DCP | Development Cost Plan |
| CDSC | Communications Distribution And Switching Center |
| HCM | Hard Copy Module |
| MFG | Major Functional Group |
| FDSC | Flight Dynamics Simulation Complex |
| V/M | Velocity Meter |
| MVR | Maneuver |