| Acronym | Meaning |
| USAF | United States Air Force |
| SMMD | Specimen Mass Measurement Device |
| BCH | Bose-Chaudhuri-Hocquenghen (Computer Code) |
| OBV | Oxidizer Bleed Valve |
| MUSS | Module Utility Support Structure |
| LVDC | Launch Vehicle Digital Computer |
| DTRD | Development Test Requirements Document |
| NW | Nose Wheel |
| HPRV | Hydrogen Pressure Relief Valve |
| R | LEO Request Liaison Engineering Order |