| Acronym | Meaning |
| BD | Binary Discrete |
| PMS | Performance Monitoring System |
| PSIG | Propulsion Systems Integration Group |
| NWT | Nonwatertight |
| GOC | GrGOCGround Operations Coordinator |
| DDC | Data Distribution Center |
| NAV | Navigate |
| RES | Reserve |
| TSCO | Test Support Coordination Office |
| NDTF | Nondestructive Test Facility |