| Acronym | Meaning |
| EX | Executive Management Office (KSC Directorate) |
| INERTIAL | GuInertial Guidance |
| FND | Facility Need Date |
| TTU | Timing Terminal Unit |
| VE | Vehicle Engineering (KSC VBO Directorate) |
| TP | Test Procedure |
| FCAP | Flight Control Applications Program |
| OMISS | Operation And Maintenance Instruction Summary Sheet(s) |
| SOP | Subsystem Operating Program |
| VGZ | Velocity To Be Gained (Body Z-Axis) |