| Acronym | Meaning |
 | H | LTLHigh Level Test Language |
 | LK | Lock |
 | CS | Control Segment |
 | RL | Return Link |
 | OPR | Operator |
 | PAT | Production Acceptance Test |
 | EFF | Efficiency |
 | GSSC | Ground Support Systems Contractor |
 | GPAS | General PurPose Airborne Simulator |
 | PIB | Pyrotechnic Installation Building |