As of 2018, the navy operates more than 460 ships, including ships operated by the Military Sealift Command (MSC) manned by a combination of civilian contractors and a small number of uniformed naval personnel, more than 3,650 aircraft, 50,000 vehicles they are non-combat and owns 75,200 buildings on 3,300,000 acres (13,000 km).
Aircraft Carriers (CVNs) have the ability to put most nations within striking distance of American air power, making them the cornerstone of US advanced deployment and deterrence strategy.
Amphibious assault ships are the centerpieces of US amphibious warfare and fulfill the same power projection role as aircraft carriers except that their striking force centers on land forces instead of aircraft.
Amphibious transport docks are warships that embark, transport, and land Marines, supplies, and equipment in a supporting role during amphibious warfare missions. With a landing platform, amphibious transport docks also have the capability to serve as secondary aviation support for an expeditionary group.
Dock landing ship is a medium amphibious transport that is designed specifically to support and operate LCACs, though it is able to operate other amphibious assault vehicles in the United States inventory as well.
Cruisers are large surface combat vessels that conduct anti-air/anti-missile warfare, surface warfare, anti-submarine warfare, and strike operations independently or as members of a larger task force. Modern guided missile cruisers were developed out of a need to counter the anti-ship missile threat facing the United States Navy.
Destroyers are multi-mission medium surface ships capable of sustained performance in anti-air, anti-submarine, anti-ship, and offensive strike operations. Like cruisers, guided missile destroyers are primarily focused on surface strikes using Tomahawk missiles and fleet defense through Aegis and the Standard missile.
The LCS (Litoral Combat Ship) is a class of relatively small surface vessels intended for operations in the littoral zone (close to shore). It was “envisioned to be a networked, agile, stealthy surface combatant capable of defeating anti-access and asymmetric threats in the littorals”.
A mine countermeasures vessel or MCMV is a type of naval ship designed for the location of and destruction of naval mines which combines the role of a minesweeper and minehunter in one hull. The term MCMV is also applied collectively to minehunters and minesweepers.
The Coastal Patrol Ships (PC), are small, fast, and heavily armed. They perform important missions including surveillance, special forces operations, and littoral combat.
A ballistic missile submarine is a submarine capable of deploying submarine-
A cruise missile submarine is a submarine that carries and launches cruise missiles (SLCMs and anti-ship missiles) as its primary armament. Missiles greatly enhance a vessel’s ability to attack surface combatants and strike land targets, and although torpedoes are a more stealthy option, missiles give a much longer stand-off range, as well as the ability to engage multiple targets on different headings at the same time.
An attack submarine or hunter-killer submarine is a submarine specifically designed for the purpose of attacking and sinking other submarines, surface combatants and merchant vessels.
Combat aircraft, or “Warplanes”, are divided broadly into multi-role, fighters, bombers, attackers, and electronic warfare support.
Military transport aircraft or military cargo aircraft are used to airlift troops, weapons and other military equipment to support military operations. Transport aircraft can be used for both strategic and tactical missions, and are often diverted to civil emergency relief missions.
An airborne early warning and control (AEW&C) system is an airborne radar picket system designed to detect aircraft, ships and vehicles at long ranges and perform command and control of the battlespace in an air engagement by directing fighter and attack aircraft strikes. AEW&C units are also used to carry out surveillance.
A maritime patrol aircraft (MPA), also known as a patrol aircraft, maritime reconnaissance aircraft, is a fixed-wing aircraft designed to operate for long durations over water in maritime patrol roles — in particular anti-submarine warfare (ASW), anti-ship warfare (AShW), and search and rescue (SAR).
A trainer is a class of aircraft designed specifically to facilitate flight training of pilots and aircrews.
An air-to-air missile (AAM) is a missile fired from an aircraft for the purpose of destroying another aircraft
An air-to-surface missile (ASM) or air-to-ground missile (AGM) is a missile designed to be launched from military aircraft at targets on land.