'What British Bombers Did at Bremen on the Weser', 1945. The Bombing of Bremen in World War II by the British Royal Air Force and US Eighth Air Force targeted strategic targets in the state Free Hanseatic City of Bremen. In the 1939-45 period the RAF dropped 12,831 long tons of bombs on Bremen. From The War Illustrated Volume 9 edited by Sir John Hammerton. [The Amalgamated Press Ltd, London, 1945]