| Acronym | Meaning |
 | SWA | Support Work Authorization |
| IAS | Integrated Avionics System |
| PERF | Perform |
| MARS | Modular Airborne Recorder System |
| RHCP | Right Hand Circular Polarization (Polarized) |
| SPIMS | Shuttle Program Information Management System |
| AD | Aperture Door |
| SYSTRAN | Systems Analysis Translator |
| LH2 | Liquid Hydrogen |
| I@@PL | Implement |
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