| Acronym | Meaning |
| ARS | Archive And Retrieval Subsystem (PPCU) |
| PRS | Power Reactant System (Subsystem) |
| DARTS | Digital Automated Radar Tracking System |
| LETF | Launch Equipment Test Facility (KSC) |
| DA | Data Acquisition |
| AFP | Air Force Program |
| NESR | NNESRNatural Environment Support Room |
| CS | Core Segment |
| MG | Middle Gimbal (YAW) |
| H | LTLHigh Level Test Language |