| Acronym | Meaning |
| QD | Quick Disconnect |
| OALC | Ogden Air Logistics Center |
| G | LOW Gross Lift-Off Weight |
| LPOP | Low Pressure Oxidizer Turbopump |
| MPR | Maintainability Problem Report |
| RTG | Radioisotope Thermoelectric Generator |
| IOB | InPut/Output Buffer |
| TCSSS | Thermal Control Subsystem Segment |
| SEICO | SuPPort EquiPment Installation And Checkout |
| SYN | Synthetic |