| Acronym | Meaning |
| TPI | Test Program Instruction |
| SDL | Software Development Library |
| RCM | Reliability Centered Maintenance |
| FJAG | Framework Joint Activity Group |
| MTBF | Mean Time Between Failure |
| TTEL | Tools And Test Equipment List |
| NTDS | Navy Tactical Data System |
| ASIU | Aircraft System Interface Unit |
| GMT | Greenwich Mean Time |
| DSU | Data Synchronize Unit - Data Storage Unit |