| Acronym | Meaning |
| ACN | Advance Change Notice |
| RIC | Resource Implementation Cooperative |
| TREE | Transient Radiation Effects On Electronics |
| YAG | Miscellaneous Auxiliary (self-propelled)(misc) |
| IOP | Input/output Processor |
| BIT | Binary Digit |
| PO | Ambient Pressure |
| PGRDS | Prototype Generic Radar Display System |
| POSIX | Portable Operating System Interface |
| DRRB | Data Requirements Review Board |