Bomber Command's heaviest raid yet

23rd May 1943: Largest tonnage of bombs yet dropped as the industrial centre of Dortmund is targeted

‘New pictures of the RAF's heavy Stirling bomber, with a speed of 300 m.p.h. and a bomb load of eight tons. Stirlings dealt smashing blows at Germany's centres of industrial production for the "Wehrmacht" during the 1000 bomber raids on Cologne, Essen and Bremen. The Stirling is one of Britain's biggest bombers. A Stirling bomber in flight.’