Q-ships, also known as Q-boats, decoy vessels, special service ships, or mystery ships, were heavily armed merchant ships with concealed weaponry, designed to lure submarines into making surface attacks. This gave Q-ships the chance to open fire and sink them.
The Bathurst-class corvettes were a class of general purpose vessels designed and built in Australia during World War II. Originally classified as minesweepers, but widely referred to as corvettes, the Bathurst-class vessels fulfilled a broad anti-submarine, anti-mine, and convoy escort role.
The Flower-class corvette was a British class of 294 corvettes used during World War II by the Allied navies particularly as anti-submarine convoy escorts in the Battle of the Atlantic. Royal Navy ships of this class were named after flowers.
The Attacker class were a class of escort aircraft carriers in service with the British Royal Navy during the Second World War.
HMCS Alberni was a Flower-class corvette that served in the Royal Canadian Navy (RCN) during the Second World War. The Flower-class corvettes were warships designed for anti-submarine warfare. The ship was constructed by Yarrows Ltd. in Esquimalt, British Columbia, laid down on 19 April 1940, launched on 22 August and commissioned on 4 February 1941. The corvette sailed east to join the RCN's fleet in the Atlantic via the Panama Canal, where upon arrival, the vessel began escorting trans-atlantic convoys in the Battle of the Atlantic. Alberni took part in the key convoy battle of Convoy SC 42. In 1942, the corvette was transferred to Allied convoy assignments associated with Operation Torch in the Mediterranean Sea. In 1944, Alberni was among the Canadian naval vessels assigned to Operation Neptune, the naval component of the invasion of Normandy and escorted support ships to and from the United Kingdom on D-day.
HMS Hebe was one of 21 Halcyon-class minesweepers built for the Royal Navy in the 1930s. Commissioned in 1936, Hebe served during World War II, notably taking part in the Dunkirk evacuation in 1940 and then serving in the Mediterranean, carrying out minesweeping operations from Malta. After taking part in several operations, including Operations Harpoon and Torch, and the invasion of Pantelleria, Hebe was sunk by a mine off Bari in November 1943, with the loss of 37 of the vessel's crew.
HMS Tartar was a Tribal-class destroyer of the Royal Navy that saw service in most of the naval theatres of World War II. She had an eventful career, eventually receiving the nickname 'Lucky Tartar' due to her numerous escapes from dangerous situations. She was one of only four from the sixteen Royal Navy-operated Tribal-class destroyers to survive the war.
HMS Nairana was the lead ship of the Royal Navy's Nairana-class escort carriers that saw service in the Second World War. She was built at John Brown & Company shipyards in Clydebank, Scotland. When construction started in 1941 she was intended as a merchant ship, but was completed and launched as an escort carrier, entering service at the end of 1943.
Defensively equipped merchant ship (DEMS) was an Admiralty Trade Division programme established in June 1939, to arm 5,500 British merchant ships with an adequate defence against enemy submarines and aircraft. The acronym DEMS was used to describe the ships carrying the guns, the guns aboard the ships, the military personnel manning the guns, and the shore establishment supporting the system. This followed a similar World War I program of defensively armed merchant ships (DAMS).
A deck gun is a type of naval artillery mounted on the deck of a submarine. Most submarine deck guns were open, with or without a shield; however, a few larger submarines placed these guns in a turret.
French Flower-class corvettes were those ships of the Flower class built for, or operated by, the French Navy and Free French Naval Forces in World War II. At the outbreak of the war, four anti-submarine warfare ships were ordered from a British shipyard, and a further 18 ships were later ordered from several British and French shipyards. Following the Fall of France in June 1940, the ships in Britain were taken over by the Royal Navy, while those in France fell into German hands. Eight other Flowers were later transferred to the Free French Naval Forces.
HMCS Battleford was a Flower-class corvette of the Royal Canadian Navy launched on 15 April 1940 and commissioned on 31 July 1941 during the Second World War. The corvette served primarily in the Battle of the Atlantic, escorting convoys of merchant ships. After the war she was sold to the Venezuelan Navy and renamed Libertad. Libertad was wrecked on 12 April 1949.
HMCS Amherst was a Flower-class corvette of the Royal Canadian Navy. She served primarily in the Battle of the Atlantic on convoy protection duty during the Second World War. She was named for Amherst, Nova Scotia. The ship was laid down at Saint John Dry Dock and Shipbuilding Co. Ltd. in Saint John, New Brunswick, on 23 May 1940 and launched on 3 December later that year. Amherst was commissioned on 5 August 1941 and served in the Battle of the Atlantic and Battle of the St. Lawrence, earning battle honours for both actions. After the war, the ship was decommissioned and sold to Venezuelan Navy in 1945 and renamed Carabobo. However, while en route to Venezuela, the ship was wrecked in the Gulf of St. Lawrence that same year.
HMCS Algoma was a Flower-class corvette that served with the Royal Canadian Navy in the Second World War. Named for the Algoma District of Ontario, it served primarily in the Battle of the Atlantic. After the war it was sold to the Venezuelan Navy and renamed Constitución.
HMCS Chedabucto was a Bangor-class minesweeper that served with the Royal Canadian Navy during the Second World War. She served primarily in the Battle of the Atlantic. During the Battle of the St. Lawrence in 1943, Chedabucto was sunk in a collision with a cable ship.
HMCS Arvida was a Flower-class corvette that served with the Royal Canadian Navy during the Second World War. She served primarily in the Battle of the Atlantic from 1941 to 1945 as a convoy escort. She was named for Arvida, Quebec. The vessel took part in three significant convoy battles ONS 92 in May 1942, ON 127 in September 1942 and SC 107 in November 1942, the last of which saw the removal of Canadian escorts from convoy duty for retraining. Following the war, the vessel was converted into a cargo ship and renamed La Ceiba and then Rio Samo. The ship was last registered in 1954 and was sold for scrap in 1987 in Spain.
HMCS Barrie was a Flower-class corvette that served with the Royal Canadian Navy during the Second World War. The ship was constructed by Collingwood Shipyards Ltd. at Collingwood, Ontario, laid down on 4 April 1940. The ship was launched on 23 November 1940 and commissioned on 12 May 1941. The corvette was named for the city of Barrie, Ontario. Barrie served primarily in the Battle of the Atlantic as a convoy escort. Following the war, Barrie was sold to Argentinian commercial interests which converted the corvette to a cargo ship and renamed the vessel Gasestado. In 1957, Gasestado was acquired by the Argentinian Navy and converted to a survey ship and renamed ARA Capitán Cánepa. The Argentinian Navy discarded the ship in 1972.
HMS Douglas was an Admiralty type flotilla leader of the British Royal Navy. Built by Cammell Laird, Douglas commissioned in 1918, just before the end of the First World War. During the Second World War, Douglas served with Force H out of Gibraltar and as a convoy escort. She was sold for scrap in March 1945.
HMS Deptford was a Grimsby-class sloop of the British Royal Navy. Built at Chatham Dockyard in the 1930s, Deptford was launched in 1935 and commissioned later that year. The ship saw early service on the Persian Gulf station, but the outbreak of the Second World War saw Deptford serving as a convoy escort in the North Atlantic and the Mediterranean, sinking a German U-boat in 1941. She survived the war and was scrapped in 1948.
HMS Londonderry was a Grimsby-class sloop of the Royal Navy. Built at Devonport Dockyard in the 1930s, Londonderry was launched in early 1935 and commissioned later that year. She served in the Red Sea and the South Atlantic until the outbreak of the Second World War. Londonderry served as a convoy escort during the war, which she survived. The ship was sold for scrap in 1948.
United Kingdom
