| Acronym | Meaning |
| KOPS | Thousand Of Operations Per Second |
| DISASSY | Disassembly |
| LLP | Launch And Landing Project |
| SSSS | Space Shuttle System Specification |
| MEIU | Main Engine Interface Unit |
| M/LR | Maintenance Loop Recorder |
| SCIS | Standard Cubic Inches Per Second |
| PBI | Push Button Indicator |
| E/W | Energy To Weight Ratio |
| EET | EntryElapsedTime |