HMS Teazer was an R-class destroyer which served with the Royal Navy during World War I. The destroyer was launched in April 1917 and, on trial, proved to be one of the fastest afloat, exceeding 40 knots. Attached to the Harwich Force, the ship supported the monitors Erebus, Terror and Marshal Soult in the bombardment of Zeebrugge in May 1918 and one of the final sorties of the war in the October following. The destroyer also took part in operations off the coast of Heligoland with a flying boat on a lighter, although the aircraft failed to take off. After the war, Teazer was kept in reserve until being sold to be broken up in 1931 following the signing of the London Naval Treaty that limited total destroyer tonnage.
HMS Thisbe was an R-class destroyer which served in the Royal Navy during World War I. The R class were an improvement on the previous M class with geared steam turbines to improve efficiency. Built by Hawthorn Leslie and launched on 8 March 1917, the destroyer served as part of the Harwich Force. In 1918, the destroyer towed a flying boat on a lighter to take part in operations off the coast of Heligoland, although the aircraft failed to take off. After the war, the destroyer was placed in reserve, and participated in trials with the Compass Department in 1925. The ship was sold to be broken up on 31 August 1936.
HMS Tristram was a modified Admiralty R-class destroyer that served in the Royal Navy during the First World War. The Modified R class added attributes of the Yarrow Later M class to improve the capability of the ships to operate in bad weather. The destroyer was operational for just over four years between being launched on 24 February 1917 and being sold to be broken up on 9 May 1921. In 1917, Tristram provided distant cover at the Second Battle of Heligoland Bight but did not engage with the enemy.
HMS Ulster was a modified Admiralty R-class destroyer that served in the Royal Navy during the First World War. The Modified R class added attributes of the Yarrow Later M class to improve the capability of the ships to operate in bad weather. Launched on 10 October 1917, the vessel served with the Grand Fleet. After the war, the destroyer was placed initially in the Home Fleet, but then moved to the Reserve Fleet before, on 21 April 1928, being sold to be broken up.
HMS Undine was a Modified Admiralty R-class destroyer that served in the Royal Navy during the First World War. The Modified R class added attributes of the Yarrow Later M class to improve the capability of the ships to operate in bad weather. Launched in 1917, the destroyer served in the Grand Fleet until the end of the war. Undine was sold to be broken up in 1927 but was wrecked on the way to the breakers. The wreck was partially visible in 2013.
HMS Ursa was a modified Admiralty R-class destroyer that served in the Royal Navy during the First World War. The Modified R class added attributes of the Yarrow Later M class to improve the capability of the ships to operate in bad weather. Launched in 1917, the vessel saw service as part of the Grand Fleet. The destroyer took part in the Second Battle of Heligoland Bight while being commanded by Commander John Tovey, who later became Admiral of the Fleet and led the successful action against the battleship Bismark. The vessel was also one of the first destroyers to launch a torpedo at the enemy during the battle. After the war, Ursa was transferred to the Home Fleet, but was sold to be broken up in 1928.
HMS Ursula was a Modified Admiralty R-class destroyer that served in the Royal Navy. The Modified R class added attributes of the Yarrow Later M class to improve the capability of the ships to operate in bad weather. The vessel was launched in 1917 at Greenock in Scotland and served with the Grand Fleet during the First World War. After the war, the destroyer was transferred to the Home Fleet, but then moved to the Reserve Fleet. In 1924, Prince George served aboard Ursula before, in 1929, the vessel was sold to be broken up.
HMS Sorceress was an R-class destroyer which served with the Royal Navy during World War I. Launched on 29 August 1916, the vessel operated as part of the Grand Fleet until it was disbanded in 1919. In 1917, the ship took part in action against the German Sixth Destroyer Flotilla and was one of those credited with bounty for the German auxiliary cruiser Konprinz Willhelm. The destroyer was sold to be broken up on 29 April 1927.
HMS Umpire was a modified Admiralty R-class destroyer which served with the Royal Navy. The Modified R class added attributes of the Yarrow Later M class to improve the capability of the ships to operate in bad weather. Launched on 9 June 1917, the ship operated with the Grand Fleet during World War I as an escort to a squadron of light cruiser and took part in the Second Battle of Heligoland Bight. After the Armistice, the vessel continued to serve and gained fame when, after rescuing the charity's founder from drowning in 1924, the name of the first house opened by what would become Veterans Aid was named H10 after the destroyer's pennant number. Umpire was sold to be broken up in 1930.
HMS Sarpedon was an R-class destroyer which served with the Royal Navy. The R class were a development of the preceding M-class, but differed in having geared turbines and other design changes. Launched in June 1916, the vessel escorted convoys that sailed between Scotland and Scandinavia in the First World War. After the war, the ship was allocated to local defence at Nore. However, in 1923, the Navy decided to retire many of the older vessels and Sarpedon was retired and was sold to be broken up on 23 June 1926.
HMS Laurel was a Laforey-class destroyer which served with the Royal Navy. Launched on 6 May 1913 as HMS Redgauntlet, the ship was renamed on 30 September under an Admiralty order to become one of the first alphabetical class destroyers. On commissioning, the vessel joined the 3rd Destroyer Flotilla and operated as part of the Harwich Force during the First World War. During Battle of Heligoland Bight, Laurel led a flotilla that pursued German torpedo boats, engaging with G194 and G196, and was damaged in action with the cruiser Mainz. The vessel also played a minor role in the Battles of Dogger Bank, Dover Strait and Jutland. With the cessation of hostilities, the ship was placed in reserve and scrapped on 1 November 1921.
HMS Liberty was a Laforey-class destroyer that served with the Royal Navy during the First World War. Launched on 15 September 1913 as HMS Rosalind, the ship was renamed on 30 September under an Admiralty order to become one of the first alphabetical class destroyers. On commissioning, the vessel joined the Third Destroyer Flotilla and operated as part of the Harwich Force. During Battle of Heligoland Bight, Liberty engaged with the German torpedo boats G194 and G196, and scored two hits on the cruiser Mainz. On 8 February 1917, the destroyer rammed and sank the German submarine UC-46. The vessel also played a minor role in the battles of Dogger Bank, Dover Strait and Jutland, as well as acting as a convoy escort and patrolling the Dover Barrage. With the cessation of hostilities, the ship was placed in reserve and sold to be broken up on 5 November 1921.
HMS Linnet was a Laforey-class destroyer that served with the Royal Navy during the First World War. Launched on 16 August 1913 as HMS Havock, the ship was renamed on 30 September under an Admiralty order to become one of the first destroyers in a class named alphabetically. This convention subsequently became the norm. On commissioning, the vessel joined the Third Destroyer Flotilla and operated as part of the Harwich Force. The destroyer was first commanded by Commander Loftus Jones who named his daughter Linnette after the ship. During the War, the destroyer took part in the Battle of Heligoland Bight in 1914, and escorted minelayers on missions to lay mines. It was during one the latter missions that the ship was nearly hit by a gun hurled from the stricken minelayer Amphion. With the cessation of hostilities, the ship was placed in reserve and sold to be broken up on 4 November 1921.
HMS Medway 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 Laforey-class, capable of higher speed. Originally laid down as HMS Redwing by J. Samuel White at East Cowes on the Isle of Wight, the vessel was renamed before being launched on 8 March 1916. The vessel was allocated to the Grand Fleet and served in the Second Battle of Heligoland Bight in support of the First Light Cruiser Squadron in their action against German light cruisers and minesweepers. During the action, the ship did not record any hits. After the War, the destroyer was placed in reserve and subsequently sold to be broken up on 9 May 1921.
HMS Llewellyn was a Laforey-class destroyer that served with the Royal Navy. Laid down on 14 December 1912 as HMS Picton, the ship was renamed on 30 September 1913 under an Admiralty order to become one of the first alphabetical class destroyers, being launched on 30 October. On commissioning, the vessel joined the Third Destroyer Flotilla and operated as part of the Harwich Force during the First World War. The destroyer took part in the Battle of Heligoland Bight, as well as undertaking anti-submarine patrols and escort duties. It was during one of these patrols on 4 December 1916 that the vessel unsuccessfully attacked the German submarine UB-18. On 17 March 1917, the destroyer was struck in the bow by a torpedo launched by a German torpedo boat while rescuing survivors from the sunk destroyer Paragon, but returned to port safely by steaming backwards. With the cessation of hostilities, the ship was placed in reserve. Although subsequently offered for sale to the Finnish Navy, Llewellyn was instead withdrawn from service and sold to be broken up on 18 March 1922.
HMS Narwhal 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 preceding L class, capable of higher speed. Launched on 30 December 1915, the vessel fought in the Battle of Jutland between 31 May and 1 June 1916 and subsequently served in anti-submarine and escort duties based at Cobh in Ireland. During February 1917, the destroyer rescued the crew of the Q-ship Farnborough, which had sunk and been sunk by the German submarine SM U-83, and rescued the armed merchantman Cameronia from SM U-50, The destroyer was transferred to Devonport during 1918 and, after the end of the war, was broken up there in 1920 after suffering a fatal collision the year before.
HMS Paladin 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. Launched on 27 March 1916. Paladin took part in the Royal Navy sorties against German minesweepers in 1917, which culminated in the Second Battle of Heligoland Bight on 17 November, although the destroyer did not engage with any enemy warships during the battle. After the end of the war, the ship was placed in reserve before being decommissioned and sold to be broken up on 9 May 1921.
HMS Obdurate was an 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, capable of higher speed. Launched on 21 January 1916 by Scotts of Greenock, the vessel served as part of the Grand Fleet in the Battle of Jutland in May 1916. The destroyer formed part of the cover for the British battlecruisers and was involved in attacks on German battleships and destroyers, but recorded no hits. The destroyer was also part of attack by Zeppelin L 43 on Sydney and the distant cover for the Second Battle of Heligoland Bight, but received only minor damage from the German airship. After the armistice, Obdurate was assigned to the Local Defence Force at Nore and sold to be broken up on 9 May 1921.
HMS Penn 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 preceding L class, capable of higher speed. The ship was named after William Penn, the father of the founder of Pennsylvania. Launched on 8 April 1916, the vessel served with the Grand Fleet forming part of the screen for the dreadnought battleships of the 1st Battle Squadron and escorting the aircraft carrier Furious in battle. The destroyer participated in the Actions of 19 August 1916 and 16 October 1917, as well as forming part of the distant support during the Second Battle of Heligoland Bight. Penn was also instrumental in rescuing the survivors from the light cruiser Nottingham, sunk by a German submarine. After the Armistice that ended the war, the destroyer was placed in reserve and subsequently sold to be broken up on 9 May 1921.
HMS Napier 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 destroyer, capable of higher speed. The vessel was launched on 27 November 1915 and joined the Grand Fleet. Napier had a varied war career, acting as part of the destroyer screen for the First Battle Squadron during the Second Battle of Heligoland Bight and searching for the survivors of losses like the armoured cruiser HMS Hampshire. The vessel was usually based at Scapa Flow but spent a brief time seconded to the Harwich Force in 1917. After the Armistice that marked the end of the First World War, Napier was placed in reserve before being decommissioned and sold to be broken up on 8 November 1921.
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