 The last attacks were flown against Hull, Southampton, Avonmouth, London, Bristol, Clydeside and Devonport from 16–22 April; casualties amounted to two badly damaged Heinkels.KG 55 was selected for anti-shipping operations in the Irish Sea on 6 April 1941.Until 3 June it flew 73 operations and sank two ships, damaging another 12, for the loss of one bomber.