| Abbreviation | Definition |
|---|---|
| DMS | Destroyer Minesweeper |
| DWL | Design Water Line |
| ERRV | Emergency Rescue and Recovery Vessel |
| ETB | Estimated Time of Berthing |
| EVDI | Existing Vessel Design Index |
| F&SS | Fuel and Supply Ship |
| FB | Flying Bridge |
| FCB | Ferro-Concrete Barge |
| FDS | Field Development Ship |
| FEFO | First Expired, First Out |
| FF | Frigate (Frigate, Frigate) |
| FFG | frigate |
| FFG | Guided-Missile Frigate (Frigate, Frigate, Guided-missile) |
| FFH | Fast Frigate Helicopter |
| FFLB | Free Fall Life Boat |
| FIAC | Fast Intruder Attack Craft |
| FIB | Flying Inflatable Boat |
| FPB | Fast Patrol Boat |
| FRB | Fast Rescue Boat |
| FROB | Freight Remaining On Board |