| Acronym | Meaning |
| FOUO | For Official Use Only |
| OCM | On Condition Maintenance |
| FDR | Flight Data Recorder |
| OW | Operating Wing |
| AVSS | Automated Voice Switching System Subsystem |
| ASITS | Adaptable Surface Interface Units |
| CSA | Configuration Status Accounting |
| E-SLCSE | Slcse Commercialization Effort |
| CSCG | Communications Security Control Group |
| SSP | Software Support Package Udi-s-21276a/mod |