| Acronym | Meaning |
| DTU | Data Transfer Unit |
| TUE | Trainer Unique Equipment |
| SSA | Strapdown Sensor Assembly |
| YO | Fuel Oil Barge (self-propelled)(tanker) |
| PTEL | Prequalified Training Equipment List |
| ASI&CS | Acoustic Sensor Integration And Control Sys |
| ACO | Administrative Contracting Officer |
| TSS | Training System Software |
| ROF | Receipt Of Funds |
| NARDAC | Navy Regional Data Automation Ctr |