flotilla leader class destroyers built royal_navy mid-1930s spent pre war period mediterranean_fleet ship transferred british isles escort shipping local waters shortly beginning world war january struck outside thames estuary sank loss crew 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 yarrow fired water tube boilers carried maximum long tons fuel oil gave range nautical miles knots mph ship complement officers men ship mounted calibre inch mark guns single mounts anti aircraft defence quadruple mark mounts inch vickers machine gun fitted water quadruple torpedo tube mounts inch torpedoes depth charge rail throwers fitted depth charges originally carried increased shortly war began service history ordered ship laid glasgow september launched august completed july excluding government furnished equipment like armament ship cost aside brief period assigned 20th destroyer flotilla commissioning spent period flagship 1st destroyer flotilla mediterranean_fleet spent months deployed spanish coast spanish civil war returning portsmouth brief overhaul june ship returned mediterranean given thorough refit portsmouth june july outbreak war september deployed mediterranean october sisters griffin grenade transferred arrived plymouth november grenade collided night november boiler room flooded repair dockyard devonport december ship repair flotilla transferred local patrol escort work rejoined december participated attempts intercept enemy shipping traffic dutch german north_sea coasts whilst returning missions january struck miles east seventy seven ship company killed ship sank
HMS Grenville (H03)