"Commander of Corvette Which Attacked Atlantic Boat Pack. 15 April 1943, Londonderry. in a Recent Convoy Battle in the Atlantic the Corvette HMS Loosestrife Attacked With Depth Charges and Probably Sank One of the U-boat Pack." Lieut H A Stonehouse, RNR, Commanding Officer of the Corvette HMS LOOSESTRIFE, on the bridge of his ship.