| Acronym | Meaning |
| FSLT | First Sea Level Test |
| SAMSO | Space And Missile SYstems Organization (USAF) |
| SLS | Statement Level Simulator |
| CRP | Configuration Requirements Processing |
| OSF | Ordnance Storage Facility |
| FCO | Functional Checkout |
| CIR | Circle |
| SRT | Shuttle Requirements Traceability |
| RTD | Real-Time Display |
| MSL | Mean Sea Level |