hms class destroyer built royal_navy initially assigned mediterranean_fleet transferred home_fleet ship patrolled spanish waters enforcing arms blockade year spanish civil war spent world war convoy escort duties english channel north_atlantic based dover gibraltar served brief tours mediterranean_fleet participated allied invasion sicily loaned year conversion escort destroyer renamed served rest war training ship war returned britain scrapped description displaced long tons standard load long tons deep load ship overall length feet beam feet inches draught feet inches powered parsons geared steam turbines driving shafts developed total shaft horsepower gave maximum speed knots mph steam turbines provided admiralty drum boilers carried maximum long tons fuel oil gave range nautical miles knots mph ship complement officers enlisted men increased wartime ship mounted calibre quick firing inch guns single mounts designated rear anti aircraft defence millimetre pounder guns mounted platform funnels fitted water quadruple torpedo tube mounts inch torpedoes depth charge rail throwers fitted depth charges originally carried increased shortly war began ship fitted type set detect submarines sound waves water reflect submarine october ship armament increased rear set torpedo tubes replaced inch pounder gun gun removed compensate additional depth charges added converted escort destroyer late replacement pounder high angle gun additional depth charge pounder mounts replaced war millimetre additional guns added forward superstructure total guns construction service ship ordered march naval programme laid july launched june fourth ship carry completed february cost excluding items supplied admiralty guns ammunition communications equipment commissioning assigned 4th destroyer flotilla mediterranean_fleet september transferred home_fleet service mediterranean uneventful shortly returned home evacuated civilians start spanish civil war july refit portsmouth lasted september multiple deployments coast spain march rescued survivors torpedoed nationalist heavy cruiser spain destroyer return following month ship began refit portsmouth lasted june escorted royal yacht victoria albert scotland july august ship escorted battleship revenge ocean liner september remained 4th destroyer flotilla april briefly served plane guard aircraft carriers home fleet later year ship assigned 19th destroyer flotilla start war spent months escort patrol duties english channel north_sea assisting damaged february stern damaged required repairs lasted following month ship attached 12th destroyer flotilla march damaged collision sister ship brilliant repairs lasted june assigned 1st destroyer flotilla dover completion july ship engaged german boats dover harbour brilliant badly damaged german dive bombers ordered withdraw bridge hit twice bombs killed officer crewmen repair dock january lightly damaged bomb splinters january fitted type short range surface search radar working ship briefly assigned escort duties transferred 18th destroyer flotilla sierra arrived april remained joined convoy august gibraltar ship rescued survivors ships returned gibraltar august received lengthy refit september january rejoined 18th destroyer flotilla january remained escort duty arrived alexandria egypt november escorting convoy cape good hope immediately assigned escort ships relieved siege malta ship remained mediterranean january briefly assigned 13th destroyer flotilla gibraltar returned february remained june transferred mediterranean_fleet preparation converted escort destroyer liverpool september february conversion type target indication radar installed bridge replaced director control tower rangefinder type radar replaced type ship loaned february recommissioned march damaged working scapa_flow repair hull april june assigned escort duty gibraltar october transferred served 12th greek rest war ship training ship war returned royal_navy malta october arrived tow april broken limited
HMS Boreas (H77)