| Acronym | Meaning |
| PML | Preliminary Materials List |
| SDF | Safing And Deservicing Facility |
| S/M | Service/Maintenance |
| MSS | Multispectral Scanner System |
| WCLS | Water Coolant Loop System |
| PCA | Power Controller Assembly |
| GLAADS | Gun Low Altitude Air Defense System |
| TS | Technical Support (KSC Directorate) |
| FDA | Fault Detection And Annunciation |
| RCA | Remote Control Amplifier |