HMS Ocelot (S17) was an Oberon-class diesel-electric submarine operated by the Royal Navy.
The Odin-class submarine was a class of nine submarines developed and built for the Royal Navy (RN) in the 1920s. The prototype, Oberon, was followed by two boats originally ordered for the Royal Australian Navy, but transferred to the RN in 1931 because of the poor economic situation in Australia, and six modified boats ordered for the RN. Three modified boats were built for the Chilean Navy as the Capitan O'Brien-class submarines in 1929.
The Rainbow-class submarine or R class was a quartet of patrol submarines built for the Royal Navy in the early 1930s.
HMS H44 was an H-class submarine of the Royal Navy. She was built by Armstrong Whitworth and launched on 17 February 1919. She served in the Second World War. She had a complement of twenty-two crew members. She was sold in 1944 and was broken up at Troon in February 1945.
HMS Narwhal (S03) was a Porpoise-class submarine of the Royal Navy. She was launched on 25 October 1957.
HMS K6 was a British K class submarine built by HM Dockyard, Devonport. She was laid down on 8 November 1915 and commissioned in May 1917. K6 was the first of the K class to have its bows raised by converting it into a bulbous swan shape.
The second HMS Telemachus was a British submarine of the third group of the T class. She was built as P321 by Vickers Armstrong, Barrow, and launched on 19 June 1943. She served in Far Eastern waters for most of her wartime career, and was responsible for the sinking of the Japanese submarine I-166. Following the war she was deployed to Australia to operate with the Royal Australian Navy until 1959. She was scrapped in 1961.
HMS H52 was a British H class submarine built by HM Dockyard, Pembroke Dock. She was laid down on an unknown date, launched on 31 March 1919 and commissioned on 16 December 1919, the last Welsh-built fighting ship to enter the British Royal Navy.
HMS H51 was a British H class submarine built by HM Dockyard, Pembroke Dock. She was laid down on an unknown date, launched on 15 November 1918 and commissioned into the British Royal Navy on 1 September 1919. It had a complement of twenty-two crew members.
HMS H50 was a British H class submarine built by William Beardmore and Company, Dalmuir. She was laid down on 23 January 1918 and was commissioned on 3 February 1920. She had a complement of 22 crew members. HMS H50 was one of seven ships to survive to the end of World War II. She was sold for scrapping in July 1945 in Troon.
HMS H49 was a British H-class submarine built by William Beardmore and Company, Dalmuir. She was launched on 15 July 1919 and commissioned on 25 October 1919.
HMS H47 was a British H class submarine built by William Beardmore and Company, Dalmuir. She was laid down on 20 November 1917 and was commissioned on 25 February 1919. It had a complement of twenty-two crew members. HMS H47 was sunk in a collision with British L class submarine L12 off Milford Haven, Wales on 9 July 1929. Twenty one of the crew were lost with only three survivors.
HMS H31 was a British H class submarine built by Vickers Limited, Barrow-in-Furness. She was laid down on 19 April 1917 and was commissioned on 21 February 1919.
HMS H29 was a British H class submarine built by Vickers Limited, Barrow-in-Furness. She was laid down on 19 March 1917 and was commissioned on 14 September 1918.
HMS H28 was a British H class submarine built by Vickers Limited, Barrow-in-Furness, as part of the Batch 3 H class submarines. She was laid down on 18 March 1917 and was commissioned on 29 June 1918.
The sixth HMS Hazard was a Dryad-class torpedo gunboat. She was launched in 1894 and was converted into the world's first submarine depot ship in 1901. She collided with the submarine A3 on 2 February 1912, killing 14 men, and was herself sunk in collision with SS Western Australia on 28 January 1918.
HMS Ophelia was an Admiralty M-class destroyer built for the Royal Navy during the First World War, entering service in 1916. The ship served at the Battle of Jutland on 31 May/1 June 1916, and sank a German submarine in 1918. She was sold for scrap in 1921.
HMS Torrid was an R-class destroyer which served with the Royal Navy during World War I. The ship was launched on 10 February 1917 and served as part of the Harwich Force. Subsequently, Torrid was used in the 1930s as a trials ship for new anti-submarine warfare weapons, particularly playing a role in the development of ASDIC. During this time, the destroyer was commanded by Charles Pizey, later the first Chief of the Naval Staff of the Indian Navy. The vessel was wrecked off the Falmouth coast en route to being broken up on 16 March 1937.
HMS Medina was a Admiralty M-class destroyer which served with the Royal Navy during the First World War. The M class were an improvement on the previous L-class destroyer, capable of higher speed. Originally laid down as HMS Redmill by J. Samuel White at East Cowes on the Isle of Wight, the vessel was renamed before being launched on 8 March 1916. The ship was allocated to the Grand Fleet and spent much of its service in anti-submarine warfare, either escorting convoys or involved in submarine hunting patrols. Although the destroyer attacked a number of German submarines, none were sunk. After the War, Medina was reassigned to a defence flotilla in Portsmouth and was eventually sold to be broken up on 9 May 1921.
HMS Oracle was an Admiralty M-class destroyer which served in the Royal Navy during the First World War. The M class were an improvement on the previous L-class, capable of higher speed. The vessel was launched on 23 December 1915 and joined the Grand Fleet. Oracle spent much of the war involved in anti-submarine warfare. In August 1916, the destroyer rescued the crew of the light cruiser Nottingham, which had been sunk by a German submarine. In August 1917, the destroyer rammed and sank the submarine U-44. After the Armistice that marked the end of the First World War, the destroyer was transferred to Portsmouth. Initially, the destroyer was part of the local defence flotilla but soon Oracle was placed in reserve, decommissioned and, on 30 October 1921, sold to be broken up.
United Kingdom