United States Navy

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The U.S. Navy is a branch of the United States Armed Forces. It is charged with sea operations in both international and American waters.

"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."[1]


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

Civilian leadership in relation to military

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

See also: United States Navy/Catalogs/Electronics

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.


See also: United States Navy/Catalogs/Ship classes

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

See also: United States Navy/Catalogs/Aircraft types

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.

On carriers, the main aircraft are:

Helicopters serve both on carriers and other surface warships. While they were primarily H-60 helicopter family, there were a wide range of types, which are being reconciled to two for other than amphibious warfare

  • MH-60S Knighthawk, utility and mine countermeasures, replacing CH-46 Sea Knight utility/Marine, HH-60H Rescue Hawk, MH-53E Sea Dragon mine clearing.
  • MH-60R, probably called yet another Seahawk, replacing the SH-60B and SH-60F in the multimission ASW/ASuW.

The CH-53 Sea Stallion is being retained for heavy lift in amphibious operations, but the CH-46 is being replaced by the tilt-rotor V-22 Osprey.

Land-based aircraft of note include:


For more information, see: History of the U.S. Navy.

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.