Navy Acronyms

The United States Navy uses special acronyms to indicate important information in an efficient, speedy manner. By establishing acronyms that symbolize important phrases, Navy personnel can share information faster and be more precise with a standardized vocabulary.

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Commonly-used Navy Acronyms

Navy Rank

  • ADM - Admiral
  • CAPT - Captain
  • CDR - Commander
  • CPO - Chief Petty Officer
  • CWO2 - Chief Warrant Officer Second Class
  • CWO3 - Chief Warrant Officer Third Class
  • CWO4 - Chief Warrant Officer Fourth Class
  • ENS - Ensign
  • FADM - Fleet Admiral
  • LCDR - Lieutenant Commander
  • LPO - Leading Petty Officer
  • LT - Lieutenant
  • LTJG - Lieutenant Junior Grade
  • MCPO - Master Chief Petty Officer
  • MM - Machinist's Mate
  • PO - Petty Officer
  • PO1 - Petty Officer First Class
  • PO2 - Petty Officer Second Class
  • PO3 - Petty Officer Third Class
  • RADM - Rear Admiral
  • SA - Seaman Apprentice
  • SCPO - Senior Chief Petty Officer
  • SN - Seaman
  • SR - Seaman Recruit
  • VADM - Vice Admiral
  • WO - Warrant Officer
  • WO1 - Warrant Officer First Class

Navy Assignment

  • AOW - Auxilliaryman of the Watch
  • ASWO - Anti-Submarine Warfare Officers
  • BMOW - Boatswain's Mate of the Watch
  • COMSUBLANT - COMmander, SUBmarine force AtLANTtic
  • DAPA - Drug and Alcohol Programs Advisor
  • DCA - Damage Control Assistant
  • DCO - Direct Commission Officer
  • DCAG - Deputy Air Wing Commander
  • DL - Destroyer Leader
  • DLGN - Nuclear powered Guided Missile Destroyer Leader
  • HM - Hospital Corpsman
  • LSO - Landing Signal Officer
  • MO - Maintenance Officer
  • NAVTRA - Chief of Naval Training
  • OOD - Officer of the Deck
  • OPSO - Operations Officer
  • POOW - Petty Officer of the Watch
  • RIO - Radar Intercept Officer
  • RL - Restricted Line Officer
  • SECDEF - United States Secretary of Defense
  • SECNAV - United States Secretary of the Navy
  • URL - Unrestricted Line Officer
  • WSO (Wizzo) - Weapon Systems Operator/Naval Flight Officer

Navy Units and Facilities

  • AUTEC - Atlantic Undersea Test and Evaluation Center
  • ASAU - Air Search and Attack Unit
  • BUPERS - Bureau of Naval Personnel
  • COMNAVAIRPAC - COMmander, NAVal AIR forces, PACific
  • COMNAVSEASYSCOM - COMmander, NAValy SEA SYStems COMmand
  • COMNAVSECGRU - COMmander, NAVal SECurity GRoUp
  • COMPACFLT - COMmander, PACific FLeeT (formerly CINCPACFLT)
  • DEVGRU - Naval Special Warfare DEVelopment GRoUp
  • DCC - Damage Control Central
  • FMF - Fleet Marine Force
  • FMSS - Field Medical Service School
  • FRS - Fleet Replacement Squadron (Formerly RAG)
  • HS - Helicopter Squadron (HS-4 Black Knights)
  • MSC - Military Sealift Command
  • NAWCWD - Naval Air Warfare Center, Weapons Division (now Pacific Missile Test Center)
  • NBSD - Naval Base San Diego
  • NCDU - Navy Combat Demolition Unit
  • NCIS - Naval Criminal Investigative Service
  • OPNAV - Office of the Chief of Naval Operations
  • PRIFLY - PRImary FLight Control (Aircraft carriers)
  • PSNS and IMF - Puget Sound Naval Shipyard and Intermediate Maintenance Facility
  • RTC - Recruit Training Command, Great Lakes, Illinois
  • TOPGUN - United States Navy Fighter Weapons School
  • USNA - United States Naval Academy (Annapolis)
  • VFA - Fixed Wing Fighter Attack Squadron
  • VP - Fixed Wing Patrol Squadron
  • VRC - Fleet Logistics Support Squadron (VRC-30 Providers)
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Miscellaneous Navy Acronyms

  • ASUW - Anti-surface Warfare
  • ASW - Anti-submarine Warfare
  • ASW - Auxiliary SeaWater System
  • COMPTUEX - COMPosite Training Unit EXercise
  • COMSEC - COMmunications SECurity
  • DE - Destroyer Escort
  • DESDIV - DESstroyer DIVision
  • FOD - Foreign Object Damage (Debris and Detection also used in some cases)
  • GQ - General Quarters (Call to battle stations)
  • HELO – Helicopter
  • JBD - Jet Blast Deflector (carriers)
  • JTF - Joint Task Force
  • JTFEX - Joint Task Force Exercise
  • LES - Leave and Earnings Statement
  • MSW - Main Seawater System
  • NAVSUP - Naval Supply Systems Command
  • PT - Physical Training
  • RMD - Restricted Maneuvering Doctrine
  • SCBA - Self-contained Breathing Apparatus
  • SCW - Seabee Combat Warfare Specialist Insignia
  • SLBM - Submarine-launched Ballistic Missile
  • TF - Task Force
  • TG - Task Group
  • TU - Task Unit
  • USN - United States Navy
  • VTU - Volunteer Training Unit
  • WTD - Watertight Door

More Navy Acronyms

Consult the U.S. Naval Institute Acronym Listing for a full explanation of all Navy acronyms.