HMS Iveston was a of the Royal Navy launched on 1 June 1954 by Philip and Son in Dartmouth. After her decommissioning in 1992, HMS Iveston became the Sea Cadet training ship T.S. Iveston. She was sold and scrapped in March 2015. Construction and design Iveston was ordered on 19 March 1952, was laid down at Philip and Son's Dartmouth yard on 22 October 1952, was launched on 1 June 1954 and completed on 29 June 1955. She was long overall and between perpendiculars, with a beam of and a draught of . Displacement was normal and deep load. As built, Iveston was powered by two Mirrlees diesel engines, giving a total of . These engines gave a speed of . 45 tons of fuel were carried, giving a range of at . Armament consisted of a single Bofors 40 mm anti-aircraft gun forward and two Oerlikon 20 mm cannon aft. Minesweeping equipment included wire sweeps for sweeping moored contact mines and acoustic or magnetic sweeps for dealing with influence mines. The ship had a crew of 27 in peacetime and 39 in wartime. Service From 1956 to 1962 Iveston was laid up in operational reserve at Hythe, near Southampton. On 3 January 1963 she was towed to Devonport dockyard where she was refitted and converted to a minehunter. Her magnetic sweep gear was removed and Type 193 Sonar was fitted to detect mines which could then be destroyed by divers while active rudders incorporating electric motors were fitted to aid slow speed manoeuvrability, and the ship's engines replaced by two Napier Deltic diesel engines rated at . She was recommissioned on 16 October 1964, joining the 1st Mine Counter Measures Squadron based at Port Edgar on the Firth of Forth. Mutiny There was a mutiny on board HMS Iveston at Ullapool on 5 July 1970. This was the most recent mutiny in the Royal Navy. Five of the crew were tried by court martial at Rosyth and convicted. The group were sentenced to detention for terms ranging from 12 to 21 months, and dismissed from the Royal Navy "with disgrace". One of the ratings was convicted of an additional charge of striking a superior officer Sea Cadet use T.S. Iveston arrived at Tilbury on August 28, 1993 under tow by the tug TOWING WIZARD (IMO: 5287823) and was berthed in the Tilbury Docks for use by the Sea Cadet