The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration (NOAA) use a hull classification symbol to identify their ships by type and by individual ship within a type. The system is analogous to the pennant number system that the Royal Navy and other European and Commonwealth navies use.
A naval ship is a military ship used by a navy. Naval ships are differentiated from civilian ships by construction and purpose. Generally, naval ships are damage resilient and armed with weapon systems, though armament on troop transports is light or non-existent.
A warship or combatant ship is a ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a nation. As well as being armed, warships are designed to withstand damage and are typically faster and more maneuverable than merchant ships. Unlike a merchant ship, which carries cargo, a warship typically carries only weapons, ammunition and supplies for its crew. Warships usually belong to a navy, though they have also been operated by individuals, cooperatives and corporations.
A seaplane tender is a boat or ship that supports the operation of seaplanes. Some of these vessels, known as seaplane carriers, could not only carry seaplanes but also provided all the facilities needed for their operation; these ships are regarded by some as the first aircraft carriers and appeared just before the First World War.
A submarine tender, in British English a submarine depot ship, is a type of depot ship that supplies and supports submarines.
SS Nomadic is a former tender of the White Star Line, launched on 25 April 1911 in Belfast, that is now on display in Belfast's Titanic Quarter. She was built to transfer passengers and mail to and from RMS Olympic and RMS Titanic. She is the only surviving vessel designed by Thomas Andrews, who also helped design those two ocean liners, and the last White Star Line vessel in existence today.
An auxiliary ship is a naval ship designed to support combatant ships and other naval operations. Auxiliary ships are not primary combatant vessels, though they may have some limited combat capacity, usually for purposes of self-defense.
USS Isabel (SP-521), later PY-10, was a yacht in commission in the United States Navy as a destroyer from 1917 to 1920 and as a patrol yacht from 1921 to 1946.
USS Thrush (AM-18) was a Lapwing-class minesweeper acquired by the United States Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing.
Heian Maru (平安丸) was a Japanese ocean liner launched in 1930 and operated primarily on the NYK line's trans-Pacific service between Yokohama and Seattle. Shortly before the outbreak of the Pacific War, it was requisitioned by the Imperial Japanese Navy and converted to use as an auxiliary submarine tender. In 1944 it was sunk by American aircraft at Chuuk Lagoon during Operation Hailstorm. Its submerged hulk – the largest of Chuuk's "Ghost Fleet" – remains a popular scuba diving destination.
The Marine Branch (1918–1986) was a branch of the Royal Air Force (RAF) which operated watercraft in support of RAF operations. Just days after the creation of the RAF itself, the Marine Craft Section (MCS) was created with the transfer of Royal Naval Air Service (RNAS) vessels and personnel to the new service. Originally tasked with the support of RNAS, and later RAF, seaplanes, Marine Craft Section was to achieve its greatest size during the Second World War, and achieved fame for its role in air-sea rescue operations. After the war MCS was granted full branch status on 11 December 1947; however, post-war the role of the new branch became greatly reduced with the end of the British Empire, the withdrawal of flying boats from service, and the increasing use of helicopters in air-sea rescue. The branch was disestablished on 8 January 1986.
USFS Penguin was an American cargo liner in commission in the fleet of the United States Bureau of Fisheries from 1930 to 1940 and, as US FWS Penguin, in the fleet of the U.S. Fish and Wildlife Service from 1940 to 1950. She ran a passenger-cargo service between Seattle, Washington, and the Pribilof Islands, and provided transportation between the two inhabited Pribilofs, Saint Paul Island and St. George Island. She also carried passengers, supplies, and provisions to destinations on the mainland of the Territory of Alaska and in the Aleutian Islands. She occasionally supported research activities in Alaskan waters and the North Pacific Ocean.
USFS Eider was an American motor schooner in commission in the fleet of the United States Bureau of Fisheries from 1919 to 1940 and, as US FWS Eider, in the fleet of the U.S. Fish and Wildlife Service from 1940 to 1942 and again in the late 1940s. She ran a passenger-cargo service between Unalaska and the Pribilof Islands, and also carried passengers, supplies, and provisions to destinations on the mainland of the Territory of Alaska and in the Aleutian Islands. She occasionally supported research activities in Alaskan waters and the North Pacific Ocean, and she conducted patrols to protect Alaskan fisheries and marine mammals. In 1924, she provided logistical support to the first aerial circumnavigation of the world.
US FWS Dennis Winn was an American cargo liner in commission in the fleet of the United States Fish and Wildlife Service from 1948 to 1960. She frequently provided a passenger and cargo service to and from the Pribilof Islands, and also carried passengers and cargo to and between other communities and FWS stations in the Territory of Alaska. Prior to her fisheries service, she was the United States Army cargo ship U.S. Army Lt. Walter J. Will (FS-244).
SS Roosevelt was an American steamship of the early 20th century. She was designed and constructed specifically for Robert Peary′s polar exploration expeditions, and she supported the 1908 expedition in which he claimed to have discovered the North Pole.
USFS Crane was an American fishery patrol vessel that operated in the waters of the Territory of Alaska. She was in commission in the United States Bureau of Fisheries (BOF) fleet from 1928 to 1940. She then served as US FWS Crane in the fleet of the Fish and Wildlife Service from 1940 to 1960. After a brief stint in the fleet of the Alaska Department of Fish and Game during 1960, she was sold into private service, at various times named Crane, Brapo, Fishing 5, Belle, and Patricia during the 1960s and 1970s and then again Crane since 1978. She remained in service as of 2020.
This glossary defines the various types of ships and accessory watercraft that have been used in service of the United States. Such service is mainly defined as military vessels used in the United States Navy and United States Coast Guard, as well as the defunct, incorporated, or renamed institutions such as the United States Revenue Cutter Service. Service of the United States can also be defined in this context as special government missions in the form of expeditions, such as the Wilkes Expedition or the North Pacific Exploring and Surveying Expedition. The scope of the glossary encompasses both the "Old Navy" of the United States, from its beginnings as the "Continental Navy", through the "New Navy" and up to modern day. The watercraft included in the glossary are derived from United States ships with logbooks published by the National Archives and Records Administration.
Naval Base Eniwetok was a major United States Navy base located at Enewetak Atoll in the Marshall Islands, during World War II. The base was built to support the island-hopping strategy used by allied nations fighting the Empire of Japan in the Pacific War. During 1944-5 Eniwetok was one of the busiest naval bases in the world with over 488 ships.
Naval Base Kossol Roads also called Naval Base Kossol Passage was major United States Navy base at Kossol Roads in northern Palau in the western Caroline Islands in the western Pacific Ocean during World War II. Kossol Roads lagoon is surrounded by fringing coral reef. The base was built to support the island hopping Pacific war efforts of the allied nations fighting the Empire of Japan. In terms of the number of ships at one base, Naval Base Kossol Roads was one of the largest Naval Base in the world in 1944 and 1945. Naval Base Kossol Roads was unique, as it was the only large US Naval base to have no shore facilities. Kossol Roads was part of US Naval Base Carolines.
