HMS ''Mourne'' (K261) was a of the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. 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 F ...

(RN). ''Mourne'' was built to the RN's specifications as a Group II River-class frigate. She served in the

North Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe and ...

during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. As a River-class frigate, ''Mourne'' was one of 151 frigates launched between 1941 and 1944 for use as

anti-submarine An anti-submarine weapon (ASW) is any one of a number of devices that are intended to act against a submarine and its crew, to destroy (sink) the vessel or reduce its capability as a weapon of war. In its simplest sense, an anti-submarine weapo ...

convoy escorts, named after rivers in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

. The ships were designed by naval engineer William Reed, of

Smith's Dock Company Smith's Dock Company, Limited, often referred to simply as Smith's Dock, was a British shipbuilding company. History The company was originally established by Thomas Smith who bought William Rowe's shipyard at St. Peter's in Newcastle upon Tyne ...

of South Bank-on-Tees, to have the endurance and anti-submarine capabilities of the

sloops A sloop is a sailboat with a single mast typically having only one headsail in front of the mast and one mainsail aft of (behind) the mast. Such an arrangement is called a fore-and-aft rig, and can be rigged as a Bermuda rig with triangular sa ...

, while being quick and cheap to build in civil dockyards using the machinery (e.g. reciprocating steam engines instead of turbines) and construction techniques pioneered in the building of the s. Its purpose was to improve on the convoy escort classes in service with the

at the time, including the Flower class. After commissioning in April 1943, ''Mourne'' served in convoy escort missions and participated in anti-submarine warfare exercises off

Lough Foyle Lough Foyle, sometimes Loch Foyle ( or "loch of the lip"), is the estuary of the River Foyle, on the north coast of Ireland. It lies between County Londonderry in Northern Ireland and County Donegal in the Republic of Ireland. Sovereignty over ...

and

Larne Larne (, , the name of a Gaelic Ireland, Gaelic territory) is a town on the east coast of County Antrim, Northern Ireland, with a population of 18,755 at the United Kingdom census, 2011, 2011 Census. It is a major passenger and freight Roll-on/ro ...

. Following the

Normandy landings The Normandy landings were the landing operations and associated airborne operations on Tuesday, 6 June 1944 of the Allied invasion of Normandy in Operation Overlord during World War II. Codenamed Operation Neptune and often referred to as ...

Operation Overlord Operation Overlord was the codename for the Battle of Normandy, the Allies of World War II, Allied operation that launched the successful invasion of German-occupied Western Front (World War II), Western Europe during World War II. The operat ...

, ''Mourne'' was deployed to the western entrance of the

English Channel The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" (Cotentinais) or ( Jèrriais), (Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kana ...

as a

screening Screening may refer to: * Screening cultures, a type a medical test that is done to find an infection * Screening (economics), a strategy of combating adverse selection (includes sorting resumes to select employees) * Screening (environmental), a ...

operation, serving as part of the 5th Escort Group. At 13:45 on 15 June 1944, the bow of ''Mourne'' was hit by a GNAT torpedo fired by German submarine U-767, causing an ignition in the ship magazine. The ship was sunk with the loss of 111 lives and 27 survivors. After initially fleeing, other ships in the flotilla, which included and , returned to pick up the survivors.

References

External links

* * {{DEFAULTSORT:Mourne 1942 ships River-class frigates of the Royal Navy World War II frigates of the United Kingdom Ships sunk by German submarines in World War II World War II shipwrecks in the English Channel Naval magazine explosions