HMS "Moresby was a which served with the Royal Navy during the First World War. The M class were an improvement on the previous , capable of higher speed. Originally laid down as HMS "Marlion by J. Samuel White at East Cowes on the Isle of Wight, the vessel was renamed before being launched on 20 November 1915. At the Battle of Jutland, the destroyer was initially cover for the seaplane tender but soon joined the action as part of a flotilla led by the light cruiser . "Moresby" attacked the German fleet with torpedoes, initially unsuccessfully targeting the dreadnought battleship and, near the end of the battle, unleashing another which narrowly missed the battlecruiser . In March 1918, the destroyer sank with the destroyer . After the war, the destroyer was placed in reserve and eventually sold to be broken up on 9 May 1921.