| Acronym | Meaning |
| MTTR | Mean TimetoRepair |
| RPTA | Rudder Pedal Transducer Assembly |
| RC | Recurring Cost |
| I | DAS Integrated Data Acquisition System |
| PDRM | Payload Deployment And Retrieval Mechanism |
| ISIL | Interim Support Items List |
| PDR | Program Director's Review |
| PER | Perigee |
| TCOP | Test Checkout Pian(s) |
| ORB | Orbit |