USS Grayback (SS-208), a Tambor-class submarine, was the first ship of the United States Navy to be named for the lake herring, Coregonus artedi. She ranked 20th among all U.S. submarines in total tonnage sunk during World War II, with 63,835 tons, and 24th in number of ships sunk, with 14. She was sunk near Okinawa on 27 February 1944. Her wreck was discovered in June 2019.
The first USS Thomas (DD–182) was a Wickes-class destroyer of the United States Navy that entered service just after World War I.
Lieutenant Commander Malcolm David Wanklyn, was a Royal Navy commander and one of the most successful submariners in the Western Allied navies during the Second World War. Wanklyn and his crew sank 16 enemy vessels.
HMS Swordfish (61S) was a first-batch S-class submarine built for the Royal Navy during the 1930s. Commissioned in 1932, she was given the pennant number 61S and was assigned to the 2nd Submarine Flotilla.
German submarine U-509 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 1 November 1940 at the Deutsche Werft yard in Hamburg as yard number 305. She was launched on 19 August 1941, and commissioned on 4 November 1941 under the command of Korvettenkapitän Karl-Heinz Wolff.
The Marcello class was a class of nine submarines built in 1937 and 1938 by CRDA in Trieste for the Royal Italian Navy. Two similar submarines built in 1939 at La Spezia by Oto Melara are sometimes considered part of the class. All eleven served in the Mediterranean Sea at the start of the Second World War. After Provana's 1940 sinking, the remaining boats were transferred to the BETASOM Atlantic submarine base at Bordeaux in August 1940. After four boats had been sunk in the Atlantic, Barbarigo and Comandante Cappellini were then selected for conversion to "transport submarines" in order to exchange rare or irreplaceable trade goods with Japan. Cargo capacity of 160 tons reduced reserve buoyancy from 20–25% to 3.5–6%; and armament was reduced to defensive machine guns. Only Dandolo was in operational condition at the end of the war.
HMS Narwhal (N45) was one of the six ship class of Grampus-class mine-laying submarine of the Royal Navy. She was built by Vickers Armstrong, Barrow and launched 29 August 1935. She served in the Second World War in home waters. She was lost in the North Sea on 23 July 1940, probably sunk by German aircraft.
Naval trawlers are vessels built along the lines of a fishing trawler but fitted out for naval purposes; they were widely used during the First and Second World Wars. Some—known in the Royal Navy as "Admiralty trawlers"— were purpose-built to naval specifications, others adapted from civilian use. Fishing trawlers were particularly suited for many naval requirements because they were robust vessels designed to work heavy trawls in all types of weather, and had large clear working decks. A minesweeper could be created by replacing the trawl with a mine sweep. Adding depth charge racks on the deck, ASDIC sonar below, and a 3-inch (76 mm) or 4-inch (102 mm) gun in the bow equipped the trawler for anti-submarine duties.
HMT Bedfordshire (FY141) was an armed naval trawler in the service of the Royal Naval Patrol Service during World War II. Transferred to the East Coast of the United States to assist the United States Navy with anti-submarine patrols, she was staffed by a British and Canadian crew. Bedfordshire was sunk by the German submarine U-558 on 11 May 1942 off the coast of Ocracoke Island in the Outer Banks of North Carolina, with the loss of all hands.
HMS Exmoor was a Hunt-class destroyer of the Royal Navy. She was a member of the first subgroup of the class, and saw service in the Second World War, before being sunk by German E-boats in 1941.
HM Trawler Arab was a trawler launched in 1936. At the outbreak of World War II, she became a naval trawler serving in the Royal Naval Patrol Service. Lieutenant Richard Been Stannard won the Victoria Cross (VC) while serving as her commander during the Namsos campaign in 1940. The Admiralty returned her to her owners in 1945 and she remained in commercial service until she was scrapped at Ghent in 1963.
HMS Lady Shirley (T464), also known as HMT Lady Shirley, was a fishing trawler requisitioned by the Royal Navy in 1940 and converted for anti-submarine warfare duties. She sank U-111 on 4 October 1941, capturing 44 of her crew. Lady Shirley was sunk herself on 11 December 1941, by a single torpedo from U-374.
The SS Espagne was a Belgian cargo ship that was torpedoed by the Imperial German Navy submarine SM UC-71 in the English Channel off St. Catherine's Point, Isle of Wight, United Kingdom while she was travelling from Le Havre, France to Newport, Monmouthshire, United Kingdom.
Captain Michael Lindsay Coulton "Tubby" Crawford DSC & Bar was an officer in the Royal Navy and submariner.
The following index is provided as an overview of and topical guide to Wikipedia's articles on recreational dive sites. The level of coverage may vary:
Recreational dive sites are specific places that recreational scuba divers go to enjoy the underwater environment or for training purposes. They include technical diving sites beyond the range generally accepted for recreational diving. In this context all diving done for recreational purposes is included. Professional diving tends to be done where the job is, and with the exception of diver training and leading groups of recreational divers, does not generally occur at specific sites chosen for their easy access, pleasant conditions or interesting features.
HMS Puckeridge was a Hunt-class destroyer of the Royal Navy and first and so far only warship to bear the Name. The vessel was ordered on 4 September 1939 as part of the 1939 wartime emergency program. She was laid down on 1 January 1940 at the J. Samuel White yard, East Cowes, on the Isle of Wight, launched on 6 March 1941 and commissioned on 30 July 1941.
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