| Acronym | Meaning |
| SSME | Space Shuttle Main Engine |
| IN | Information Systems Directorate (KSC) |
| DD&CS | Dedicated Display And Control Subsystem |
| SCF | Statistical Collection File |
| LMSC | Lockheed Missiles And Space Corporation |
| DBGMP | DBWData Bus Wire |
| JPL | Jet Propulsion Laboratory |
| UTC | Universal Test Console |
| IDENTIFICAT | Identification Data |
| OAS | Orbiter Aeroflight Simulator |