| Acronym | Meaning |
| RTS | Remote Tracking Station |
| MERL | Materials Equipment Requirement List |
| DDMS | DOD Manager For Space Shuttle Support |
| OMV | Oxygen Manual Valve |
| SOW | Square Wave |
| TO | Operations Management (KSC Directorate) |
| SDI | Selective Dissemination Of Information |
| APID | Applications Process Identification |
| PR | PressureRatio |
| ICOU | Inertial Coupling Data Unit |