| Acronym | Meaning |
| VPHD | Vertical Payload Handling Device |
| FSP | Fault Summary Page |
| GCILU | Ground Control Interface Logic Unit |
| PGE | Purge |
| FACS | Facilities Control |
| SFD | Crossfeed |
| CAM | Carrier Aircraft Modification |
| TDS | Technology Demonstration Satellite |
| DAM | Driver Amplifier Module |
| RPA | Record And Playback Assembly |