HMS Arab was a B-class torpedo boat destroyer of the British Royal Navy. She was laid down by J & G Thomson at Clydebank and completed by John Brown & Company who took over the yard.
HMS Shark, was an Acasta-class destroyer built in 1912 for the Royal Navy. Shark was sunk during the Battle of Jutland on the evening of 31 May 1916.
HMS Porpoise was an Acasta-class destroyer of the Royal Navy, which was built by Thornycroft between 1912 and 1914. Porpoise served through the First World War, taking part at the Battle of Jutland in 1916, where she was damaged. In 1920, she was sold to the Brazilian Navy serving under the name Alexandrino de Alencar and was renamed Maranhão in 1927. Maranhão remained in service when Brazil entered the Second World War, being used for patrol and convoy duties. She was disposed of in 1945.
HMS Christopher was an Acasta-class destroyer of the British Royal Navy. She was built by Hawthorn Leslie in 1911–1912. She served throughout the First World War, forming part of the Grand Fleet until 1916 and taking part in the Battle of Jutland. Later in the war she served in the English Channel to protect merchant shipping against attacks by German U-boats. Christopher was sold for scrap in May 1921.
HMS Kempenfelt was a Marksman-class flotilla leader of the British Royal Navy. She was built by the Cammell Laird at their Birkenhead shipyard, with construction starting in 1914 and completed in August 1915. She served through the remainder of the First World War. She was sold for scrap in 1921.
HMS Achates was an Acasta -class destroyer of the British Royal Navy. She was built by the Scottish shipbuilder John Brown and was built between 1912 and 1913. Like all Acasta-class destroyers, Achates was armed with three 4-inch (102 mm) guns and two torpedo tubes, with a specified speed of 29 knots.
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 Magic 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. Originally laid down as HMS Marigold by J. Samuel White at East Cowes on the Isle of Wight, the vessel was renamed before being launched in 1915. The ship served during the War as part of the Grand Fleet, mainly on anti-submarine and convoy escort duties from the port of Queenstown. In 1917, the destroyer took part in the Battle of Jutland and was one of a small number of British vessels that attacked the German fleet with torpedoes, although both torpedoes missed. In 1918, the ship struck a mine of the coast of Ireland and, although the damage was repaired, 25 people died. After the War, the destroyer was placed in reserve and decommissioned, being sold to be broken up in 1921.
HMS Mounsey was a Yarrow M-class destroyer of the British Royal Navy. Built by the Scottish shipbuilder Yarrow in 1914–1915, Mounsey served in the Grand Fleet during the First World War, and took part in the Battle of Jutland. The following year she saw combat against German submarines, and in 1918 she helped rescue crew and passengers aboard the damaged troopship Otranto. She was sold for scrap in 1921.
HMS Maenad 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. The vessel, launched in 1915, served in the Battle of Jutland in 1916, attacking both battleships and destroyers of the German High Seas Fleet. However, the vessel was notorious for undertaking a sharp manoeuvre which obstructed other destroyers in the fleet from attacking. Maenad also undertook anti-submarine patrols. In 1917, the ship mistakenly attacked the British submarine G12 thinking it was a German boat. The submarine escaped with damages. After the armistice that ended of the war, Maenad was placed in reserve until being sold to be broken up in Germany in 1921.
HMS Mystic was an Admiralty M-class destroyer which served with the Royal Navy during the First World War. The M class was an improvement on the previous L class, capable of higher speed. The vessel, originally named HMS Myrtle but renamed before being launched in 1915, joined the Grand Fleet as part of the Eleventh Destroyer Flotilla. The ship was assigned as part of a destroyer screen to protect the British battleships as they sought to destroy the German High Seas Fleet. During the Battle of Jutland in 1916, the destroyer saw action against German light cruisers and, as the evening fell, attacked the German battle line, but recorded no hits. During the following year, the vessel took part in a large anti-submarine patrol, but did not see any German submarines. Later in the war, the ship was transferred to the Coast of Ireland Station at Buncrana and escorted convoys at the start of their journey from ports on the Clyde and Mersey or at the end of their journey across the Atlantic Ocean. After the Armistice in 1918 that marked the end of the First World War, Mystic was placed in reserve before being decommissioned and subsequently sold to be broken up in 1921.
HMS Marne was an Admiralty M-class destroyer which served with the Royal Navy during the First World War. The M class was an improvement on the preceding L class, capable of higher speed. The ship, the first Royal Navy vessel to be named after the River Marne, was launched in 1915. For much of the war, the destroyer escorted merchant ships in convoys and Royal Navy warships, but was also involved in the rescue of crew from the battleship HMS King Edward VII in 1916. The destroyer also took part in the Battle of Jutland as part of the shield for the British battleships and engaged with the German light cruiser force with torpedoes, although all missed. In 1918, the destroyer, along with sister ships Milbrook and Pigeon, sank the German submarine UB-124. After the armistice, Marne was placed in reserve before being decommissioned and, in 1921, sold to be broken up.
HMS Mons was an Admiralty M-class destroyer which served with the Royal Navy during the First World War and fought in the Battle of Jutland. The M class was an improvement on the preceding L class, capable of higher speeds. The ship, the first British naval vessel to be named after the Battle of Mons, was launched in 1915. Joining the Grand Fleet as part of the new Eleventh Destroyer Flotilla, the destroyer was soon in action, taking part in patrols that aimed to draw out the German High Seas Fleet. During the Battle of Jutland in 1916, Mons attacked the German light cruisers at the forefront of the German battleline but scored no hits. After the armistice, the destroyer was placed in reserve. Mons was found to be worn out by wartime operations and, despite only serving for six years, in 1921, was sold to be broken up.
HMS Mameluke was an Admiralty M-class destroyer which served with the Royal Navy during the First World War. The M class was an improvement on the preceding L class, capable of higher speeds. The ship, the first Royal Navy vessel to be named after the Mamelukes, a class of ex-slaves that ruled Egypt, was launched in 1915. The destroyer joined the Twelfth Destroyer Flotilla and, although under refit during the Battle of Jutland and so unable to participate, later took part in anti-submarine operations as part of this flotilla, although no submarines were sighted or sunk. The conditions of service in the North Sea meant that the destroyer was soon worn out and, after the armistice, Mameluke was placed in reserve. Despite a service life of only six years, the vessel was decommissioned and, in 1921, sold to be broken up.
HMS Napier was a Repeat 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.
HMS Orford 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 19 April 1916 and joined the Grand Fleet. Orford spent much of the war undertaking anti-submarine warfare patrols and escorting convoys across the Atlantic Ocean. Although based at Scapa Flow, the destroyer ranged far, often operating off the coast of Cornwall and even having a temporary transfer to Buncrana in Ireland in 1917. In 1918, the destroyer took part in one of the final sorties of the Grand Fleet, but saw no action. After the Armistice that marked the end of the First World War, Orford was placed in reserve, decommissioned and, on 31 October 1921, sold to be broken up.
HMS Mindful was a Admiralty M-class destroyer which served with the Royal Navy during the First World War. The M class destroyers were an improvement on the previous L-class, capable of higher speed. The vessel, launched in 1915, joined the Twelfth Destroyer Flotilla under the flotilla leader Faulknor. The ship saw action during the Battle of Jutland in May 1916 and helped sink the German torpedo boat SMS V48. In March 1917, the destroyer was involved in a friendly fire incident, nearly sinking the British submarine G12. In June that year, the vessel was involved in the sinking of the German merchant ship SS Gamma in Norwegian waters, which led to a diplomatic protest from the Norwegian government. At the end of the war, Mindful was withdrawn from service and, in 1921, sold to be broken up.
HMS Onslaught 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, capable of higher speed. The vessel, launched in 1915, joined the Twelfth Destroyer Flotilla under the flotilla leader Faulknor. The ship saw action during the Battle of Jutland in May 1916, jointly sinking the German torpedo boat SMS V48 and launching the torpedo that sank the pre-dreadnought battleship Pommern, the only German battleship to be lost in the battle. Subsequently, the destroyer acted as an escort to other naval ships during the Action of 19 August 1916 and took part in anti-submarine operations. At the end of the war, Onslaught was withdrawn from service and, in 1921, sold to be broken up.
HMS Nonsuch was a Repeat Admiralty M-class destroyer that served in the Royal Navy during the First World War. The M class was an improvement on those of the preceding L class, capable of higher speed. Originally laid down as HMS Narcissus but renamed before being launched in 1915, Nonsuch joined the Twelfth Destroyer Flotilla of the Grand Fleet. During the Battle of Jutland in 1916, after being attacked by the light cruisers of the German High Seas Fleet, the warship rescued the damaged destroyer Acasta. The vessel formed part of the screen for the dreadnought battleships of the First Battle Squadron during the Second Battle of Heligoland Bight in 1917. In both actions, the destroyer reported no hits. After the Armistice that ended the war, Nonsuch was initially put in reserve and then sold in 1921 to be broken up.
HMS Contest was an Acasta-class destroyer of the British Royal Navy. She was built by Hawthorn Leslie and Company at their Newcastle upon Tyne shipyard, and was launched on 7 January 1913, being completed in June that year. Contest served in the First World War, and supported the Grand Fleet until 1916. The destroyer took part in the Battle of Jutland on 31 May/1 June 1916. Later that year, Contest moved to The Humber, and then to the English Channel for anti-submarine and escort duties. She was torpedoed and sunk by a German submarine on 18 September 1917.
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