| Acronym | Meaning |
| FEID | Flight Equipment Interface Device |
| RQMTS | Requirements |
| FMCF | First Manned Captive Flight |
| RHC | Rotational Hand Controller |
| PT | Pitch Trim |
| EB | Electronic Beam |
| EHS | Environmental Health Services |
| VL | Expendable Vehicles (KSC VO Dir.) |
| FRJD | Forward Reaction Jet Driver |
| OPS | Operational Sequence |