Another key decision made was to switch the Wellington to night operations; on 25 August 1940, the type participated in the first night raid on Berlin. During the First 1,000 bomber raid, on Cologne, conducted on 30 May 1942, 599 out of 1,046 RAF aircraft dispatched were Wellingtons; of these, 101 were flown by Polish aircrews. During operations under Bomber Command, Wellingtons flew a total of 47,409 operations, dropped 41,823 tons (37,941 tonnes) of bombs and lost 1,332 aircraft in action.