| Acronym | Meaning |
| RIC | Rockwell International Corporation |
| DI | Development Integration |
| MB | Millibar |
| HMC | Hybrid Microcircuit |
| PVR | Precision Voltage Reference |
| GOE | GrGOEGround Operating EquiPMent |
| SPT | Steering Position Transducer |
| CTSD | ComPuter Test Sequences Document |
| GTS | GN&C Test Station |
| HTR | HydroxYl Terminated Polybutyiene |