| Acronym | Meaning |
| NIA | NNIA NOVA Interface Adapter |
| MMS | Modular Multiband Scanner |
| LSI | Large Scale Integration |
| MAA | Mechanical Arm Assembly |
| MTOGW | Maximum Takeoff Gross Weight |
| I | LCCS Integrated Launch Control And Checkout System |
| SPF | Spacelab Processing Facility |
| HPOT | High Pressure Oxidizer Turbopump |
| FACO | Factory Acceptance Checkout |
| OML | Orbiter Mold Line |