| Acronym | Meaning |
| SEL | Select |
| SSHA | Subsystem Hazard Analysis |
| TDC | Technical Directive Code |
| WFOV | Wide Field Of View |
| MOS/NEC | Military Occupational Specialty/navy Enlisted Classification |
| YFU | Harbor Utility Craft (self Propelled)(lighter) |
| IBC | Ils Back Course |
| SDL | Software Development Library |
| UPR | Upper |
| FASP | Facility For Automated Software Production |