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 Peyton 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 2 May 1916, the vessel served in anti-submarine and escort duties based at Cobh in Ireland. The destroyer attacked the German submarine SM UB-23 and rescued crews from friendly merchant ships that had been sunk. After the end of the war, Peyton was placed in reserve and subsequently broken up on 9 May 1921.
HMS Portia 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 10 August 1916. Portia initially served with the Grand Fleet but was allocated to convoy escort duties in early 1917. The vessel was particularly active in anti-submarine warfare, although Portia never successful sank a submarine. After the Armistice of 11 November 1918, the ship was placed in reserve before being decommissioned and sold to be broken up on 9 May 1921.
HMS Plucky 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 April 1916 by Scotts of Greenock, the vessel served as part of the Grand Fleet, spending most of the war based out of Plymouth, apart from a brief sojourn working from the Irish port of Buncrana. Plucky was mainly involved in anti-submarine warfare and escorting the merchant ships that made up the convoys travelling to and from England, colliding with one, the collier Mervin in February 1917. The merchant vessel was unharmed, but the subsequent explosion but the destroyer temporarily out of action. After armistice, the destroyer was redeployed to Portsmouth until being decommissioned and sold to be broken up on 9 May 1921.
HMS Pellew 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 18 April 1916, the vessel served with the Grand Fleet escorting convoys. The vessel was part of an unsuccessful attempt by the navy to trap the German submarines that had taken such a heavy toll on merchant shipping in December 1917. The action involved an eight-ship convoy consisting of four merchant vessels escorted by two armed trawlers and the sister ships Pellew and Partridge. Instead of submarines, four German destroyers attacked, sinking all but one member of the convoy and disappearing before the light cruisers which were to be the spring in the trap could arrive. Pellew, the sole survivor, took refuge in a Norwegian fjord. 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 Pelican 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 18 March 1916, the vessel served with the Grand Fleet, taking part in significant actions on 19 August 1916 and 4 May 1917, as well as the fight between the British and German battlecruisers in the Battle of Jutland. The destroyer also undertook the other more general roles were typical of the type, including anti-submarine sweeps and escort duties for convoys. The destroyer had success driving away German submarines but did not sink any. After the end of the war, Pelican initially joined a Local Defence Flotilla but within a year had been placed in reserve and was subsequently sold to be broken up on 9 May 1921.
HMS Peregrine was a Admiralty M-class destroyer that 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 29 May 1916, the vessel served with the Grand Fleet, focusing on anti-submarine warfare. In 1917, the destroyer was involved in the search for UC-65 after the submarine had sunk the protected cruiser Ariadne. In 1918, the ship participated in one of the final sorties of the war, although this did not lead to a confrontation with the German High Seas Fleet. 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 Penn was a Repeat 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 Moorsom was an Admiralty M-class destroyer which served in the Royal Navy during the First World War. The M class was an improvement on the preceding L class, capable of higher speed. Moorsom, the first ship to enter navy service to be named after Admiral Sir Robert Moorsom, was launched in December 1914, initially serving as part of the Grand Fleet before being transferred to the Harwich Force the following year. Briefly rejoining the Grand Fleet, the destroyer saw service in the Battle of Jutland in 1916 supporting the British battlecruisers and received hits from a battleship of the German High Seas Fleet. Moorsom also undertook other duties, including escorting the troop ship Mauretania in June 1915 and the minelayer Princess Margaret in August 1915 and November 1916. Placed within the Dover Patrol, the destroyer formed part of the cover for monitors including Erebus and Terror on attacks on Ostend and Zeebrugge in May and June 1917, and April and May 1918. After the Armistice, the destroyer was placed in reserve and subsequently sold to be broken up in November 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 Morris 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 preceding L class, capable of higher speed. The ship, the only vessel to be named Morris to serve with the Royal Navy, was launched on 19 November 1914. Joining the Grand Fleet as part of a new flotilla, the destroyer was soon in action, serving as part of a destroyer screen during the Battle of Dogger Bank in January 1915 and an escort to the minelayer Princess Margaret during a skirmish with German torpedo boats eight months later. At the Battle of Jutland in 1916, the destroyer was a crucial part of the flotilla that drove the German torpedo boats away from the British battlecruisers. Morris received no hits during these confrontations. The destroyer assisted in the rescue of survivors from the R-class destroyer Simoom and the recovery of the damaged flotilla leader Botha in 1917. The ship also undertook general duties including escorting merchant ships, minelayers, monitors, and the seaplane carrier Vindex. After the armistice that ended the war, the destroyer was considered superfluous to requirements, Initially placed in reserve, Morris was decommissioned and, on 8 November 1921, sold to be broken up.
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 Orestes 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 21 March 1916 and joined the Grand Fleet. Orestes was involved in seeking submarines in the North Sea, patrolling both independently and as part of large operations. The destroyer did not report any submarines destroyed, but did rescue the survivors from Q-ship Privet after that vessel had successfully sunk the submarine U-85 in a duel in March 1917. Later in the war, the focus was turned to escorting merchant ships and the destroyer helped secure convoys that crossed the Atlantic Ocean. After the Armistice that marked the end of the First World War, the destroyer was placed into reserve until being, on 30 January 1921, decommissioned and sold to be broken up.
HMS Orpheus 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, capable of higher speed. The vessel was launched on 17 June 1916 and joined the Grand Fleet. Orpheus spent much of the war undertaking anti-submarine warfare patrols in the North Sea and escorting convoys across the Atlantic Ocean. In 1917, the destroyer was involved in a friendly fire incident with the British submarine J1. After the Armistice that marked the end of the First World War, the destroyer joined the Home Fleet. However, this role did not last long and the destroyer was deemed superfluous to requirements. Soon after, Orpheus was placed in reserve, decommissioned and, on 1 November 1921, sold to be broken up.
HMS Oracle 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, 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.
HMS Octavia 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 21 June 1916 and joined the Grand Fleet. Octavia joined the Thirteenth Destroyer Flotilla, which, in 1917, participated in a large anti-submarine warfare operation in the North Sea. The sortie led to three German submarines being sunk, although Octavia was not directly involved in these attacks. In 1918, the flotilla was involved in one of the final sorties of the Grand Fleet, but again the destroyer saw no action at the time. After the Armistice that marked the end of the First World War, Octavia was placed in reserve, decommissioned and, on 5 November 1921, sold to be broken up.
HMS Opportune 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 20 November 1915 and joined the Grand Fleet. Opportune spent much of the war involved in anti-submarine warfare. The ship took part in large patrols to seek out submarines which involved entire flotillas and also acted as an escort for convoys. After the Armistice that marked the end of the First World War, the destroyer was transferred to Portsmouth and placed in reserve. After a brief spell as a remote controlled target to test how warships responded to attacks by aircraft, Opportune was decommissioned and, on 7 December 1923, sold to be broken up.
HMS Oberon 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, capable of higher speed. The vessel was launched in 1916 and joined the Grand Fleet. Oberon joined the Thirteenth Destroyer Flotilla which, in 1917, participated in a large anti-submarine warfare operation in the North Sea. The sortie led to three German submarines being sunk, although Oberon was not directly involved in these attacks. In 1918, the flotilla was involved in one of the final sorties of the Grand Fleet, but again the destroyer saw no action at the time. After the Armistice that marked the end of the First World War, Oberon was placed in reserve, decommissioned 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 Nepean was an Admiralty M-class destroyer which 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. The second Royal Navy vessel to be named after Sir Evan Nepean, and the first not in Australian service, the destroyer was launched in 1916 and joined the Thirteenth Destroyer Flotilla of the Grand Fleet. In 1917, Nepean formed part of the escort for the light cruisers Dublin and Sydney when they were attacked by the Zeppelin L 43 and the First Battlecruiser Squadron during the Second Battle of Heligoland Bight. Neither led to the warship being involved in any action with the enemy. The destroyer finished the war with the Fourth Destroyer Flotilla. After the Armistice, Nepean was placed in reserve before being sold to be broken up in 1921.
United Kingdom