Navy
396 abbreviations
| Abbreviation | Meaning | |
|---|---|---|
| ENS | Ensign | |
| EO | Equipment Operator | |
| EOOW | Engineering Officer of the Watch | |
| EOS | Enclosed Operating Space | |
| EOSS | Engineering Operational Sequencing Systems | |
| ERS | Engineroom Supervisor | |
| ESWS | Enlisted Surface Warfare Specialist | |
| ET | Electronics Technician | |
| EWS | Engineering Watch Supervisor | |
| EXW | Expeditionary Warfare | |
| F/MC | Fleet (or Force) Master Chief | |
| FA | Fireman Apprentice | |
| FAC/A | Forward Air Controller/Airborne | |
| FC | Fire Controlman | |
| FCDSSA | Fleet Combat Direction Systems Support Activity | |
| FCF | Functional Check Flight | |
| FCPCP | Fleet Computer Programming Center of the Pacific | |
| FCPOM | First Class Petty Officer's Mess | |
| FDO | Flight Deck Officer | |
| FMSS | Field Medical Service School | |
| FN | Fireman | |
| FOD | Foreign Object Damage (Debris and Detection also used in some cases) | |
| FR | Fireman Recruit | |
| FRC | Fleet Readiness Center | |
| FRS | Fleet Replacement Squadron (Formerly RAG) | |
| FSA | Food Service Attendant | |
| FSO | Food Service Officer | |
| FTN | Forget the Navy (Polite Form) | |
| FTN | Full-time Navy (Humorous Form) | |
| GCCS-M | Global Command and Control System-Maritime | |
| GM | Gunner's Mate | |
| GQ | General Quarters (Call to battle stations) | |
| GSA | Global War on Terrorism Support Assignments also General Services Administration | |
| GSM | Gas turbin mechainc | |
| HA | Hospital Apprentice | |
| HELO | Helicopter | |
| HM | Hospital Corpsman | |
| HMFIC | Head M F In Charge (See SOPA Below) | |
| HN | Hospitalman | |
| HR | Hospital Recruit | |
| HS | Helicopter Squadron (HS-4 Black Knights) | |
| HT | Hull Maintenance Technician | |
| IAMM | Individual Augmentation Manpower Management | |
| IAP | In Assignment Processing | |
| IAW | "in accordance with" | |
| IC | Interior Communications Electrician | |
| ICO | "in case of" "in care of" | |
| IMF | Intermediate Maintenance Facility | |
| IMRL | Individual Material Readiness List | |
| IP | Irish Pennant - A loose thread of a Naval or Marine uniform. |