Ocean escort was a type of

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

warship A warship or combatant ship is a naval ship that is used for naval warfare. Usually they belong to the navy branch of the armed forces of a nation, though they have also been operated by individuals, cooperatives and corporations. As well as b ...

. They were an evolution of the

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

destroyer escort Destroyer escort (DE) was the United States Navy mid-20th-century classification for a warship designed with the endurance necessary to escort mid-ocean convoys of merchant marine ships. Development of the destroyer escort was promoted by th ...

types. The ocean escorts were intended as convoy escorts and were designed for mobilization production in wartime or low-cost mass production in peacetime. They were commissioned from 1954 through 1974, serving in the

Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...

and the

Vietnam War The Vietnam War (1 November 1955 – 30 April 1975) was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam (Democratic Republic of Vietnam) and South Vietnam (Republic of Vietnam) and their allies. North Vietnam w ...

Designation

The ocean escorts'

hull classification symbol The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration (NOAA) use a hull classification symbol (sometimes called hull code or hull number) to identify their ships by type and by ind ...

was DE, a carryover from the World War II era when vessels of similar size and role were classified as destroyer escorts. DEs were ASW vessels; DEGs were ASW and AAW vessels with the short-range Tartar guided missile added. Ships similar or identical to the World War II destroyer escorts and the Cold War ocean escorts were called "frigates" in most other navies. Outside the US Navy, no other navy appears to have used the ship type of "ocean escort". The closest equivalents in type name are the Soviet and classes, built circa 1954–65. These classes' Russian designation of ''storozhevoi korabi'' translates to "escort ship", "sentry ship", or "

guard ship A guard ship is a warship assigned as a stationary guard in a port or harbour, as opposed to a coastal patrol boat, which serves its protective role at sea. Royal Navy In the Royal Navy of the eighteenth century, peacetime guard ships were usual ...

". These were smaller than any of the US ocean escorts, at 1,416 tons (''Riga'') and 1,150 tons (''Petya'') full load, compared with at 1,877 tons full load. Many USN ocean escorts were transferred to foreign navies following USN service; they received

pennant number In the Royal Navy and other navies of Europe and the Commonwealth of Nations, ships are identified by pennant number (an internationalisation of ''pendant number'', which it was called before 1948). Historically, naval ships flew a flag that iden ...

s beginning with "D", "DE", "F", or (in the

Mexican Navy The Mexican Navy () is one of the components of the Mexican Armed Forces. The Secretariat of the Navy is in charge of administration of the navy. The commander of the navy is the Secretary of the Navy, who is both a cabinet minister and a career ...

) "E". The "E" designator was also used for ex-USN s in that navy.Gardiner & Chumbley, p. 263

Ocean escort classes

* (13) * (4) * (2) * (11) * (6) (DEG) * (46) * (82) total

1975 reclassification

The ocean escort type corresponded to other nations'

frigate A frigate () is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied. The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed and maneuvera ...

s (convoy escorts). Until 1975, the US Navy used the term "frigate" for

destroyer leader Destroyer leader (DL) was the United States Navy designation for large destroyers from 9 February 1951 through the early years of the Cold War. United States ships with hull classification symbol DL were officially frigates from 1 January 1955Blac ...

s (DL, DLG, DLGN). The 1975 ship reclassification changed the ocean escorts (DE/DEG) to frigates (FF/FFG) to be in line with other nations' classifications. The DLG-type "frigates" became either destroyers or cruisers, depending on

tonnage Tonnage is a measure of the capacity of a ship, and is commonly used to assess fees on commercial shipping. The term derives from the taxation paid on '' tuns'' or casks of wine. In modern maritime usage, "tonnage" specifically refers to a cal ...

References

{{DEFAULTSORT:Ocean Escort Ship types

Designation

Ocean escort classes

1975 reclassification

See also

References