HMS Triton was a submarine of the Royal Navy named for the son of Poseidon and Amphitrite, the personification of the roaring waters. She was the lead ship of the T class of diesel-electric submarines. Her keel was laid down on 28 August 1936 by Vickers Armstrong at Barrow-in-Furness. She was launched on 5 October 1937, and commissioned on 9 November 1938.
HMS Antelope was a British A-class destroyer, which was completed for the Royal Navy in 1930. Antelope served throughout the Second World War, taking part in the sinking of three enemy submarines and in Operation Torch, the Allied invasion of French North Africa.
HMS Triumph (N18) was a T-class submarine of the Royal Navy. She was laid down by Vickers at Barrow-in-Furness and launched in 1938. The boat was lost in transit in 1942, with a crew of 64, and its fate was unknown until the sunken boat was rediscovered in June 2023.
HMS Seahorse was a first-batch S-class submarine built for the Royal Navy during the 1930s. Ordered in March 1931, she was laid down at Chatham Dockyard in September 1931 and launched on 15 November 1932.
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.
HMS Decoy was a D-class destroyer of the Royal Navy. Ordered in 1931, the ship was constructed by John I. Thornycroft & Company, and entered naval service in 1933. Decoy was initially assigned to the Mediterranean Fleet before she was transferred to the China Station in early 1935. She was temporarily deployed in the Red Sea during late 1935 during the Abyssinia Crisis, before returning to her duty station where she remained until mid-1939. Decoy was transferred back to the Mediterranean Fleet just before the Second World War began in September 1939. She briefly was assigned to West Africa for convoy escort duties in 1940 before returning to the Mediterranean. The ship participated in the Battles of Calabria without significant damage and escorted ships of the Mediterranean Fleet for most of the rest of the year.
HMS Active, the tenth Active, launched in 1929, was an A-class destroyer. She served in the Second World War, taking part in the sinking of four submarines. She was broken up in 1947.
HMS Oxley was an Odin-class submarine of the Royal Australian Navy (RAN) then Royal Navy (RN). Very slightly off course, near Obrestad, on the south-western cape of Norway, she was hit by friendly fire seven days after the start of World War II costing 53 lives and leaving two survivors.
HMS Sturgeon was an S-class submarine that entered service with the Royal Navy in 1932. Ordered in 1930, she was laid down at Chatham Dockyard in January 1931 and launched on 8 January 1932. Commissioned on 27 February 1933, Sturgeon was assigned to the 2nd Submarine Flotilla.
HMS Starfish was a first-batch S-class submarine built for the Royal Navy during the 1930s. Completed in 1933, she participated in the Second World War.
HMS Saracen was a third-batch S-class submarine built for the Royal Navy during the Second World War. Completed in 1942, Saracen conducted a patrol in the North Sea where she sank a German U-boat. She was then assigned to the 10th Submarine Flotilla in Malta, from where she made three patrols; on her second, she sank an Italian submarine. Saracen was then reassigned to the 8th Submarine Flotilla, based in Algiers, French North Africa.
HMS Sterlet was a second-batch S-class submarine built during the 1930s for the Royal Navy. Completed in 1938, the boat fought in the Second World War. The submarine is one of the 12 boats named in the song Twelve Little S-Boats. Thus far she has been the only ship of the Royal Navy to be named Sterlet.
HMS Sunfish was a Royal Navy S-class submarine which was launched on 30 September 1936 and served in the Second World War. Sunfish is one of 12 boats named in the song Twelve Little S-Boats.
HMS L27 was a L-class submarine built for the Royal Navy during World War I. The boat was not completed before the end of the war and was one of three L-class boats to serve during World War II. She served as training boat before being broken up in 1944.
HMS Thistle (N24) was a T-class submarine of the Royal Navy. She was laid down by Vickers Armstrong, Barrow and launched in October 1938. She was sunk by the German submarine U-4 on 10 April 1940 near Skudenes, Norway.
HMS Undine was a U-class submarine and lead vessel of her class, which is sometimes called the Undine class as a result. The submarine entered service in 1938. Undine performed war patrols during the Second World War and was scuttled after being damaged by German minesweepers off Heligoland on 7 January 1940.
HMS Ursula was a U-class submarine, of the first group of that class constructed for the Royal Navy. The submarine entered service in 1938 and saw action during the Second World War in the North and Mediterranean Seas.
HMS Exmouth was an E-class destroyer flotilla leader built for the Royal Navy in the early 1930s. Although assigned to the Home Fleet upon completion, the ship was attached to the Mediterranean Fleet in 1935–36 during the Abyssinia Crisis. During the Spanish Civil War of 1936–1939 she spent considerable time in Spanish waters, enforcing the arms blockade imposed by Britain and France on both sides of the conflict. Exmouth was assigned to convoy escort and anti-submarine patrol duties in the Western Approaches when World War II began in September 1939. She was sunk by a German submarine in January 1940 while escorting a merchant ship north of Scotland.
Arctic naval operations of World War II were the World War II naval operations that took place in the Arctic Ocean, and can be considered part of the Battle of the Atlantic and/or of the European Theatre of World War II.
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.
United Kingdom
