| Acronym | Meaning |
| REFRIG | Refrigerate |
| E&D | Engineering And Development |
| SRMC | Stimulus/Response Measurements Catalog |
| FRE | Format Request Element |
| CI | Course (deviation Display) Invalid |
| BP | C/DCountdown |
| DRIRU | Dry Rotor Inertial Reference Unit |
| MCA | MotorControlAssembly |
| TT | Total Time |
| HAL/S | High Order Assembly Language For Shuttle Flight |