class destroyer originally ordered late 1930s bought royal_navy beginning world war september immediately commissioning ship began evacuating allied troops locations france assigned convoy escort duties destroyer sank german submarine october briefly assigned force anti aircraft armament deemed weak transferred june escort duties north_atlantic ship returned october converted escort destroyer early torpedoed sunk march german submarine having rammed sunk submarine previous day escorting convoy description displaced long tons standard load long tons deep load ship overall length feet beam feet draught feet inches powered parsons geared steam turbines driving shafts developed total shaft horsepower gave maximum speed knots mph steam turbines provided admiralty drum water tube boilers carried maximum long tons fuel oil giving range nautical miles knots mph ship complement officers men vessel designed calibre inch guns single mounts designated rear gun removed compensate additional depth charges added anti aircraft defence quadruple mark mounts inch vickers machine gun fitted water quadruple torpedo tube mounts inch torpedoes depth charge rail throwers originally fitted increased sets rails throwers fitting ship load depth charges increased wartime modifications rear torpedo tubes replaced pounder gun evacuation known exactly modification conversion escort destroyer ship short range armament augmented guns wings ship bridge calibre machine gun mounts replaced pair later gun replaced anti submarine mortar ship director control tower rangefinder bridge removed exchange type target indication radar type short range surface search radar probably fitted mid way war ship received radio direction mounted pole mainmast service ordered brazil december ship laid june purchased british september renamed ship launched september renamed january original thought liable confused hardy commissioned briefly worked portland harbour assigned 9th destroyer flotilla ship joined evacuation returned men dover day situation soon dangerous risk larger modern destroyers attempt evacuate troops daylight hours decision rescinded day ship sailed night route narrowly missed torpedoes rescued men trips additional june lightly damaged german aircraft day required repairs chatham june ship ordered france evacuate british troops found loaded men saint june later month escorted ships evacuating refugees troops jean operation july september assigned convoy escort duties rescued survivors armed merchant cruiser castle late august ship destroyers assigned anti invasion duties september returning role escort vessel october help sister sank german submarine rescued survivors merchant vessel december survivors february rescued survivors bomber days later ship refitted march april assigned force gibraltar escorted ships transferred june anti aircraft capability believed admiral weak assigned 14th arrival july ship transferred months later assigned converted escort destroyer lengthy refit scotland january april conducted sea trials type radar resumed escort duties north_atlantic flagship ship refitted liverpool december february whilst defending convoy march forced surface rammed badly damaged rescued survivors submarine sank day torpedoed broke half officers ratings lost french corvette rammed sank rescued survivors
HMS Harvester (H19)