| Acronym | Meaning |
| CCC | Contaminant Control Cartridge |
| R | ETSReconfigurable Electrical Test Stand |
| PT | Pitch Trim |
| STF | Spin Test Facility (see DSTF) |
| SOP | Subsystem Operating Program |
| VRF | Vertical Removal Fixture |
| ME | Management Engineering |
| FDA | Fault Detection And Annunciation |
| CMG | Control Moment Gyro |
| BSC | Brake Skid Controller |