| Acronym | Meaning |
| RAMEC | Rapid Action Minor Engineering Change |
| FSC | Flight System Control |
| ACTS | Air Combat Training Systems (pmtrade) |
| PLCC | Provisioning List Category Code |
| MS | Milestone |
| PS/PC | Physical Security/pilferage Code |
| HF | High Frequency |
| TTD | Technical Training Device (simulation System) |
| UOC | Usable On Code |
| CRDA | Cooperative Research & Development Agreement |