| Acronym | Meaning |
| HL | Hardline |
| CALC | Calculate |
| FCCP | Firm Contract Cost ProPosal |
| SPS | Shuttle Procedures Simulator |
| OBC | Onboard Computer |
| LOP | In-Orbit Plane |
| PGOR | Payload Ground Operation Requirements |
| LCG | Liquid-cooled Garment |
| M | DSDMate/Demate Stiffleg Derrick |
| FSR | Flight Specific Requirements |