| Acronym | Meaning |
| DISA | Defense Information Systems Agency |
| ARINC | Aeronautical Radio Inc |
| CAFED | Computer-aided File Of Engineering Drawings |
| TLA | Training Level Assignment |
| ADSU | Air Direction Sensing Unit |
| FOC | Focus |
| SRA | Shop Repairable Assembly |
| PSL | Problem Statement Language |
| SS | Attack Submarine (conventional Powered) |
| SLN | Sequence Line Number |