| Acronym | Meaning |
| IPS | IR SPECTInfrared Spectrometer |
| SP-FGS | Flight And Ground Systems Office (KSC Shuttle) |
| OSM | Orbital Service Module |
| SRD | Shuttle Requirements Definition |
| QPS | Quality Planning Specification |
| PQGS | Propellant Quantity Gaging System |
| OMEWG | Orbiter Maintenance Engineering Working Group |
| ITL | Integrate |
| FF | Flight Forward |
| FREO | DIV FrequencY Divider |