Operational duty of „311th“ started in the end of year 1940 under Bomber Command. In this enlistment squadron has done 60 raids mostly to the targets in Germany. The most frequent target was  Köln (97), Bremen (85), Hamburk (80), Kiel (65), Mannheim (53) and Berlin (36). One and only was Brest (113). Our aircrews served around 1000 combat flights in total time nearly  5 200 hours. „311th“ payd heavy costs by the losting of 134 shooted down or wounded airmen, another 30 were lost by the other way.