| Acronym | Meaning |
| PIC | Pyro Ignition Control |
| COMAS | Combined Orbital Maneuvering And Abort System |
| HFCT | Hydraulic Flight Control Test |
| MCLT | Maximum Cruise Level Thrust |
| PM | Payload Midbody |
| MDF | Mild Detonating Fuse |
| VSN | Video SwitchingNetwork |
| SRF | Shuttle Refurbishment Facility |
| DPP | Data Processing And Software |
| SPOC | Shuttle Payload Operations Contractor |