| Acronym | Meaning |
| PRTLS | Powered Return To Launch Site |
| LA | Launch Area |
| CCC | Controller Checkout Console |
| ICMT | Intercontract Material Transfer |
| DDTS | Dynamic Docking Test System |
| IU | Interface Unit |
| GO2 | Gaseous Oxygen |
| FSRS | Flight System Recording System |
| CTE | CentralTimingEquipment |
| TRK | Track |