HMS Clyde (pennant number P257) was an offshore patrol vessel and was the tenth Royal Navy vessel to carry the name. She was launched on 14 June 2006 in Portsmouth Naval Base by VT Group shipbuilders in Portsmouth, England, and is the fourth vessel of the , with a displacement of 2,000 tonnes and a 30 mm Oerlikon KCB gun in place of the 20 mm gun fitted to Tyne River-class ships. Clyde was decommissioned on the 20 December 2019 at HMNB Portsmouth and was returned to her owners at BAE Systems Maritime - Naval Ships, although the ship remained under lease from BAE Systems to the Royal Navy until the end of March 2020. In August 2020 Clyde was transferred to the Kingdom of Bahrain. Operational history Clyde was the first ship built entirely in Portsmouth Naval base for 40 years and has been constructed alongside the bow and superstructure sections for the new Type 45 destroyers and . She was named in a ceremony on 7 September 2006 as she had not received a traditional launching ceremony. HMS Clyde was commissioned into the Royal Navy in a ceremony at Portsmouth Naval base on 30 January 2007. After being commissioned into active service Clyde was sent to the South Atlantic to relieve as the Royal Navy's patrol vessel in the area based in the Falkland Islands. Unlike predecessors in this role Clyde stayed in South Atlantic waters, with a contract in place for her to remain in the Falkland Islands until 2018. In January 2011, the government of Brazil denied HMS Clyde access to Rio de Janeiro in solidarity with Argentinian claims over the Falkland Islands sovereignty dispute, as Uruguay had done with the previous September. On 18 November 2015, Clyde assisted in the rescue of 347 passengers and crew from the cruise ship Le Boreal drifting off the Falkland Islands after an engine room fire. At , it took Clyde four hours to reach the stricken ship, which was off the north end of Falkland Sound. Clyde resupplied one of the two larger lifeboats with fuel and took on people from the smaller lifeboats, and then escorted them to Falkland Sound, where they transferred the passengers to Le Boreals sister ship, . In January 2017, Clyde was dry docked in Simonstown, South Africa for maintenance; her patrol duties were temporarily transferred to survey ship . On 21 September,