| Acronym | Meaning |
| DET | Detent |
| N&G | Navigation And Guidance (G&N Preferred) |
| RS | Refurbishment Spare |
| EMCD | Electro-Mechanical Control Diagram |
| ERSIR | Earth Resources Shuttle Imaging Radar |
| SIL | Systems Integration Laboratory |
| CST | Crew Systems Trainer (One-G Trainer) |
| PAE | Preventive Action Engineer |
| PRTLS | Powered Return To Launch Site |
| RMS | Random Motion Simulator |