| Acronym | Meaning |
| PGORS | Payload Ground Operations Requirements Study |
| B | Bit |
| U-SB | Unified S-Band |
| JAS | Journal Of Aerospace Science |
| IVT | Intervehicular Transfer |
| MSS | Manufacturers Standardization Society |
| PBW | Proportional Band Width |
| OPLF | Orbiter Processing And Landing Facility |
| MMCA | Mid Motor Controller Assembly |
| SRT | Supporting Research And Technology |