| Acronym | Meaning |
| SDS | Shuttle Dynamic Simulation (Simulator) |
| PDM/FM | Pulse Duration Modulation/Frequency Modulation |
| IPS | IRR InsPection Rejection Report |
| PR | Procurement Regulation |
| MRL | Manipulator Retention Lock |
| MELI | Master Equipment List Index |
| INTVL | Interval |
| SRDH | System Requirements Definition Handbook |
| M | PSS Main Parachute Support Structure |
| UTI | LUtility |