| Acronym | Meaning |
| MIS | Management Information System |
| DT&E | Development Test And Evaluation |
| MOST | Mission Oriented System Tape |
| SP | Space And Power |
| PPCO | Provisioning Principal Contracting Office |
| LVL | Level |
| NUO | North Up |
| EXT | Exterior |
| SPDR | Software Preliminary Design Review |
| NRAC | Nato Requirements & Criteria |