| Acronym | Meaning |
| FC | Fuel Cell |
| NW | NASA Waiver |
| FS | Functional Schematic |
| MSBLS | Microwave Scan Beam Landing System |
| CAB | Cabin |
| ECB | Engineering Change Board |
| QDR | Qualification Design Review |
| EEL | Electrical Equipment List |
| AFSCF | Air Force Satellite Control Facility |
| SPS | Shuttle Procedures Simulator |