The chief of naval operations (CNO) is the highest ranking officer of the United States Navy. The position is a statutory office held by an admiral who is a military adviser and deputy to the secretary of the Navy. In a separate capacity as a member of the Joint Chiefs of Staff, the CNO is a military adviser to the National Security Council, the Homeland Security Council, the secretary of defense, and the president.
The Royal Navy (RN) is the United Kingdom's naval warfare force and a component of His Majesty's Naval Service. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against France. The modern Royal Navy traces its origins to the early 16th century; the oldest of the UK's armed services, it is consequently known as the Senior Service.
The Royal Australian Navy (RAN) is the naval force of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (CN) Vice Admiral Mark Hammond AM, RAN. CN is also jointly responsible to the Minister of Defence (MINDEF) and the Chief of Defence Force (CDF). The Department of Defence as part of the Australian Public Service administers the ADF.
The Royal Canadian Navy is the naval force of Canada. The RCN is one of three environmental commands within the Canadian Armed Forces. As of 2023, the RCN operates 12 frigates, four attack submarines, 12 coastal defence vessels, eight patrol-class training vessels, two offshore patrol vessels, and several auxiliary vessels. The RCN consists of 8,400 Regular Force and 4,100 Primary Reserve sailors, supported by 3,800 civilians. Vice-Admiral Angus Topshee is the commander of the Royal Canadian Navy and chief of the Naval Staff.
The Sixth Fleet is a numbered fleet of the United States Navy operating as part of United States Naval Forces Europe-Africa. The Sixth Fleet is headquartered at Naval Support Activity Naples, Italy. The officially stated mission of the Sixth Fleet in 2011 is that it "conducts the full range of Maritime Operations and Theater Security Cooperation missions, in concert with coalition, joint, interagency, and other parties, in order to advance security and stability in Europe and Africa." The current commander of the Sixth Fleet is Vice Admiral Thomas E. Ishee.
The United States Third Fleet is one of the numbered fleets in the United States Navy. Third Fleet's area of responsibility includes approximately fifty million square miles of the eastern and northern Pacific Ocean areas including the Bering Sea, Alaska, the Aleutian Islands, and a sector of the Arctic. Major oil and trade sea lines of communication within this area are critically important to the economic health of the United States and friendly nations throughout the Pacific Rim region.
The Fifth Fleet is a numbered fleet of the United States Navy. It has been responsible for naval forces in the Persian Gulf, Red Sea, Arabian Sea, and parts of the Indian Ocean since 1995 after a 48-year hiatus. It shares a commander and headquarters with U.S. Naval Forces Central Command (NAVCENT) in Bahrain. Fifth Fleet/NAVCENT is a component command of, and reports to, U.S. Central Command (CENTCOM).
The United States Second Fleet is a numbered fleet in the United States Navy responsible for the East Coast and North Atlantic Ocean. The Fleet was established following World War II. In September 2011, Second Fleet was deactivated in view of the United States Government's perception that the potential military threat posed by Russia had diminished. On 4 May 2018, Admiral John M. Richardson, the Chief of Naval Operations, announced plans to reestablish Second Fleet amid heightened tensions between NATO and Russia. It was reestablished on 24 August 2018, with Vice Admiral Andrew "Woody" Lewis in command.
The British Mediterranean Fleet, also known as the Mediterranean Station, was a formation of the Royal Navy. The Fleet was one of the most prestigious commands in the navy for the majority of its history, defending the vital sea link between the United Kingdom and the majority of the British Empire in the Eastern Hemisphere. The first Commander-in-Chief for the Mediterranean Fleet was the appointment of General at Sea Robert Blake in September 1654. The Fleet was in existence until 1967.
The Royal Thai Navy is the naval warfare force of Thailand. Established in 1906, it was modernised by the Admiral Prince Abhakara Kiartiwongse (1880–1923) who is known as the father of the Royal Navy. It has a structure that includes the naval fleet, Royal Thai Marine Corps, and Air and Coastal Defence Command. The RTN headquarters is at Sattahip Naval Base.
The Philippine Navy (PN) is the naval warfare service branch of the Armed Forces of the Philippines. It has an estimated strength of 24,500 active service personnel, including the 8,300-strong Philippine Marine Corps. It operates 82 combat vessels, 14 auxiliary vessels, 25 manned aircraft and 8 unmanned aerial vehicles. It shares the responsibility of patrolling the maritime borders with the Philippine Coast Guard, a formerly attached unit which became a separate maritime law enforcement agency in 1998.
The Indonesian Navy is the naval branch of the Indonesian National Armed Forces. It was founded on 10 September 1945 and has a role to patrol Indonesia's lengthy coastline, to enforce and patrol the territorial waters and Exclusive Economic Zone (EEZ) of Indonesia, to protect Indonesia's maritime strategic interests, to protect the islands surrounding Indonesia, and to defend against seaborne threats.
The Sri Lanka Navy (SLN) is the naval arm of the Sri Lanka Armed Forces and is classed as the country's most vital defence force due to its island geography and is responsible for the maritime defence of the Sri Lankan nation and its interests. The role of the Sri Lanka Navy is to conduct operations at sea for the defence of the nation and its interests and conduct prompt and sustainable combat operations at sea in accordance with the national policies.
The structure of the United States Navy consists of four main bodies: the Office of the Secretary of the Navy, the Office of the Chief of Naval Operations, the operating forces, and the Shore Establishment.
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage of its active battle fleet alone exceeding the next 13 navies combined, including 11 allies or partner nations of the United States as of 2009. It has the highest combined battle fleet tonnage and the world's largest aircraft carrier fleet, with 12 in service, two new carriers under construction, and five other carriers planned. With 336,978 personnel on active duty and 101,583 in the Ready Reserve, the United States Navy is the third largest of the United States military service branches in terms of personnel. It has 299 deployable combat vessels and about 4,012 operational aircraft as of July 18, 2023.
Fleet Command is responsible for the command, operations, readiness, training and force generation of all ships, submarines, aircraft squadrons, diving teams, and shore establishments of the Royal Australian Navy. Fleet Command is headquartered at HMAS Kuttabul in Sydney, and is led by the Commander Australian Fleet (COMAUSFLT), also referred to as Fleet Commander Australia (FCAUST), which is a rear admiral (two-star) appointment.
The Navy Command is the current headquarters body of the Royal Navy, and as of 2012 its major organisational grouping. It is a hybrid, neither a command, nor simply an installation. Royal Navy official writings describe Navy Command Headquarters both as a physical site, on Whale Island, Hampshire, a collective formed of the most senior RN officers, and as a budgetary grouping.
The Eastern Fleet, later called the East Indies Fleet, was a fleet of the Royal Navy which existed between 1941 and 1952.
The Admiral Commanding, Orkneys and Shetlands was an operational commander of the Royal Navy. He was charged with the administration of the Orkney and Shetland Islands and operating and defending the fleet base at Scapa Flow that was the main anchorage for both the Home Fleet and Grand Fleet at various times.
The Senior Naval Officer, Persian Gulf, was a Royal Navy command appointment who was responsible for administering the Persian Gulf Station military formation including its establishments and naval forces known as the Persian Gulf Squadron later called the Persian Gulf Division. Initially located at Basidu, Qishm Island, in Persia, then Henjam Island in Persia (1911–1935), and finally Ras Al-Jufair, Bahrain (1935–1972).
