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United States Navy
Emblem of the United States Navy.svg
Emblem of the United States Navy
Founded 13 October 1775 (1775-10-13)
(246 years, 3 months)
Country  United States
Type Navy
  • Sea control
  • Power projection
  • Deterrence
  • Maritime security
  • Sealift
Size 336,978 active duty personnel
279,471 civilian employees
101,583 ready reserve personnel
290 deployable ships (as of 2019) of 480 total ships
3,900+ Dept. of Navy manned aircraft combined (U.S. Navy operates 2,623 manned aircraft and the U.S. Marine Corps operates 1,304 manned aircraft)
Part of Seal of the United States Department of the Navy.svg Department of the Navy
Headquarters The Pentagon
Arlington County, Virginia, U.S.
Motto(s) "Semper Fortis" (English: "Always Courageous"), (official)
"Non sibi sed patriae" (English: "Not for self but for country") (unofficial)
Colors Blue and gold
March "Anchors Aweigh"
Anniversaries 13 October
Decorations Streamer PUC Navy.PNG
Presidential Unit Citation
Navy Unit Commendation streamer (USMC).svg
Navy Unit Commendation
Meritorious Unit Commendation (Navy-Marine) Streamer.jpg
Meritorious Unit Commendation
Commander-in-Chief President Donald Trump
Secretary of Defense Christopher C. Miller (acting)
Secretary of the Navy Kenneth Braithwaite
Chief of Naval Operations ADM Michael M. Gilday
Vice Chief of Naval Operations ADM William K. Lescher
Master Chief Petty Officer of the Navy MCPON Russell L. Smith
Flag Flag of the United States Navy (official).svg
Jack Naval jack of the United States.svg
Pennant USNavyCommissionPennant.svg
Anchor, Constitution, and Eagle Anchor, Constitution, and Eagle.svg
Logo United States Navy logo.jpg

The United States Navy is part of the United States Armed Forces (the military of the USA).

The navy mainly deals with ocean-based military actions. The navy was called the Continental Navy from 1775 until Congress established the Department of the Navy on April 30, 1798. A person (or member) in the navy is called a sailor.

"The mission of the Navy is to maintain, train and equip combat-ready Naval forces capable of winning wars, deterring aggression and maintaining freedom of the seas."


USS Constellation vs L'Insurgente during the Quasi-War

Created in 1775 with the immediate concern of the American Revolution, the U.S. Navy were disbanded in 1783 and the privateers went back to the merchant trade. The needs of international commerce, however, soon drove the requirement for a standing navy, more than it did an army.

The War Department was created in 1789 and handled naval affairs. The Federalist Party, especially under John Adams favored the Navy and created the cabinet-level Department of the Navy in 1798. The Marines originated in 1775, when two battalions of men were raised for continental service; it was deactivated in 1783. The Marine Corps was reactivated by Congress on July 11, 1798, within the new Navy Department. Benjamin Stoddert was the first secretary and directed operations during the "Quasi-War", the undeclared naval war with France (1798-1800).

The Algerian War (1815), suppression of West Indian pirates (1816-29), and antislavery patrols (1820-50) provided training for the Mexican-American War of 1846-48.

In 1815 the Board of Navy Commissioners, consisting of three senior officers, was created to provide technical advice to the department regarding naval technology, naval operations being excluded from its purview. In 1842 an organization of technical bureaus was instituted, including bureaus for the Navy Yards and Docks; Construction, Equipment, and Repairs; Provisions and Clothing; Ordnance and Hydrography; and Medicine and Surgery.

The Navy professionalized the officer corps, with the Naval Academy (1854). It experimented with steam propulsion and sponsored overseas explorations, notably the Pacific expedition (1838-1842) of Lieutenant Charles Wilkes.


Its combat functions include anti-surface warfare (ASuW) against ships, anti-submarine warfare (ASW), anti-air warfare (AAW), land attack, littoral warfare, naval gunfire support, mine warfare, amphibious warfare, and Naval Special Warfare.

It has an extremely sophisticated support structure for its combat units. Japanese admirals, after the Second World War, cited "fast carrier operations", which implied the "seatrain" to resupply and maintain the carrier task forces at sea, as one of the three fundamental things that beat Japan. The others were submarine operations and island-hopping. Logistics, therefore, cannot be overstressed.

Also as a result of WWII experience, the US Navy tends to be compulsive about safety and damage control, with a considerable record of saving battle-damaged ships that might well be lost in other navies. Recruit training has been changed recently, so a stressful and realistic damage control exercise is the culminating event of the course.

Current organization

There are several major parts to the Navy:

  • Civilian leadership in the Department of the Navy
  • Shore establishment
  • Operating forces

In turn, the operating forces are split into those deployed in the field, which report to the National Command Authority via the Unified Combatant Commanders. Forces that are in training, maintenance, readiness for deployment, or doctrinal development report, through the shore establishment, to the Chief of Naval Operations.

Command, control, communications, computers

The modern navy is extremely network-centric. At the strategic, operational, and logistic level, its systems tie into the Global Information Grid (GIG) of the U.S. Department of Defense. Fleet level operations connect both to the GIG and to the Global Command and Control System-Maritime, as well as theater-level systems for the Unified Combatant Commands, such as the Theater Battle Management Core System.

These high-level systems are linked through the Defense Information Systems Network and a variety of satellite communications systems. The Fleet Broadcast System and MILSATCOM are older satellites; some of the new ones, heavily used by the Navy, include the UHF Follow-On, Global Broadcast Service and Wideband Global Satellite.

At the tactical level, there is a high degree of interoperability among all the military services, sharing the Joint Tactical Information Distribution System. The AEGIS battle management system is the key information system for anti-air warfare (AAW), ballistic missile defense (BMD) and land attack, and interoperates with national BMD networks. Cooperative Engagement Capability is an extension of AEGIS, which lets tactical decisions, down to the level of firing and guiding missiles, be distributed among multiple ships. The Naval Fire Control System controls naval gunfire support in cooperation with artillery ashore.


Vessels at sea usually operate in groups. Carrier Strike Groups have the greatest combat capabilities. Amphibious Ready Groups carry Marine units, and may be combined with non-carrier warships to become Expeditionary Strike Groups. Submarines are attached to some of these units, but also conduct considerable independent operations.

The major operational ship types are:

Naval aviation

When both its carrier-capable and shore-based aircraft, as well as helicopters, are counted, the United States Navy operates one of the world's largest air forces.


Rank Title notes
Enlisted Ranks
E-1 recruit These ranks are divided into three groups:Seaman, Airman, and Fireman. The rank uses both the group and the title. For example an E-2 (apprentice) who is a Seaman is a Seaman Apprentice. An E-3 just uses Seaman, Airman, or Fireman.
E-2 apprentice
E-3 Seaman, Fireman, or Airman
E-4 Petty Officer 3rd class Petty Officers are more commonly referred to by their speciality ("rate") and class. For example, a Electronics Technician (ET) who is an E-5 is called an Electronics Technician 2nd class (ET2)
E-5 Petty Officer 2nd class
E-6 Petty Officer 1st class
E-7 Chief Petty Officer Chief Petty officers are referred to commonly by their level as chief (Chief, Senior Chief, or Master Chief) and officially by their level and rate (Chief Electronics Technician - ETC, Senior Chief Electronics Technician - ETCS, Master Chief Electronics Technician - ETCM)
E-8 Senior Chief Petty Officer
E-9 Master Chief Petty Officer
E-10 Master Chief Petty Officer
   of the Navy
There is only one Master Chief Petty Officer of the Navy at a time.
Officer Ranks
O-1 Ensign  
O-2 Lieutenant Junior Grade Commonly just called Lieutenant. Sometimes Lieutenant JG is used
O-3 Lieutenant  
O-4 Lieutenant Commander  
O-5 Commander  
O-6 Captain Same as the rank of Commodore in many other navies
O-7 Rear Admiral There are two ranks of Rear Admiral. While both are called the same, O-7 is Rear Admiral lower half. Lower half is only used when being very official.
O-8 Rear Admiral
O-9 Vice Admiral  
O-10 Admiral The rank of Fleet Admiral also O-10 but is only used at times of war

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