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.
During the 18th and 19th centuries, a sloop-of-war was a warship of the British Royal Navy with a single gun deck that carried up to 18 guns. The rating system of the Royal Navy covered all vessels with 20 or more guns; thus, the term encompassed all unrated warships, including gun-brigs and cutters. In technical terms, even the more specialised bomb vessels and fire ships were classed by the Royal Navy as sloops-of-war, and in practice these were employed in the role of a sloop-of-war when not carrying out their specialised functions.
HMS Black Swan, was the name ship of the Black Swan-class sloops of the Royal Navy. This class was admired for its sea-going qualities.
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 twenty-eight Anchusa-class sloops were built under the Emergency War Programme for the Royal Navy in World War I as the final part of the larger "Flower class", which were also referred to as the "Cabbage class", or "Herbaceous Borders".
Two ships of the Royal Navy were named HMS Saxifrage after the genus of holarctic perennial plants:
HMS Wellington is a Grimsby-class sloop, formerly of the Royal Navy. During the Second World War, she served as a convoy escort ship in the North Atlantic. She is now moored alongside the Victoria Embankment, at Temple Pier, on the River Thames in London, England. From 1948 to 2023 she was the headquarters ship of the Honourable Company of Master Mariners, known as HQSWellington. In 2024, she returned to her prefix of HMS Wellington.
Lobnitz & Company was a Scottish shipbuilding company located at Renfrew on the River Clyde, west of the Renfrew Ferry crossing and east of the conflu)ence with the River Cart. The Lobnitz family lived at Chapeltoun House in East Ayrshire. The company built dredgers, floating docks, fishing boats, tugboats and workboats.
The Flower class comprised five sub-classes of sloops built under the Emergency War Programme for the Royal Navy during World War I, all of which were named after various flowers. They were popularly known as the "herbaceous borders", in humorous reference to a well-known adage about the Royal Navy, as well as to a type of garden arrangement popular in the United Kingdom.
The Aubrietia-class sloops were a class of twelve sloops built under the Emergency War Programme for the Royal Navy in World War I as part of the larger Flower class. They were also referred to as the "cabbage class", or "herbaceous borders". The Flowers were the first ships designed as minesweepers.
HMS Chrysanthemum was an Anchusa-class sloop of the Royal Navy, launched on 10 November 1917. She received a Le Cheminant chronometer from the Royal Observatory on 15 May 1925. After service in the Mediterranean, in 1938 she became a drill ship with Royal Naval Volunteer Reserve (RNVR) and then the Royal Naval Reserve (RNR). She was sold in 1988 to private owners and subsequently scrapped in 1995.
HMS Marigold was a Flower-class corvette of the Royal Navy. She was launched on 4 September 1940 and was sunk by an Italian air-dropped torpedo on 9 December 1942.
The Banff-class sloop was a group of ten warships of the Royal Navy. Built as United States Coast Guard Lake-class cutters, in 1941 these ships were loaned to the Royal Navy as antisubmarine warfare escort ships. The transfers took place at the Brooklyn Navy Yard; the sloops were manned for transport to Britain by personnel from the damaged battleship Malaya which was under repair there.
HMS President is a "stone frigate", or shore establishment of the Royal Naval Reserve, based on the northern bank of the River Thames near Tower Bridge in Wapping and is in the London Borough of Tower Hamlets.
HMS Walker (D27) was a W-class destroyer of the British Royal Navy that saw service in the final months of World War I, in the Russian Civil War and in World War II.
HMS Viscount was a V-class destroyer of the British Royal Navy that saw service in the final months of World War I and in World War II.
HMS Itchen (K227) was a River-class frigate of the Royal Navy (RN). Itchen was built to the RN's specifications as a Group I River-class frigate. She served in the North Atlantic during World War II.
HMS Cuckmere (K299) was a River-class frigate of the Royal Navy (RN) in 1943. Cuckmere was originally to be built for the United States Navy, having been laid down as PG-104, but was transferred to the Royal Navy as part of Lend-Lease and finished to the RN's specifications as a Group II River-class frigate. She was first Royal Navy ship to carry the name Cuckmere.
HMS Lagan (K259) was a River-class frigate of the Royal Navy (RN). Lagan was built to the RN's specifications as a Group II River-class frigate. She served in the North Atlantic during World War II.
HMS Tweed (K250) was a River-class frigate of the Royal Navy (RN). Tweed was built to the RN's specifications as a Group I River-class frigate, though Tweed was one of the few powered by a turbine engine. She served in the North Atlantic during World War II.
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