The Bristol Blenheim was a innovative plane when it was designed in the 1930s decade, but by the time of the second world war, it had become almost obsolete against the fighters of Germany. They men who piloted these smart looking aircraft had their work cut out for them. They were used mainly during the early stages of the war with limited success. When the battle of Britain started, squadrons of Bristol Blenheim's made daring raids into German occupied Europe in an attempt to destroy aircraft on the ground. There was some success, but there were also high casualties among Blenheim air crew.
Eventually it was developed as a night time raider and achieved a little more success in this role. The crews, like all RAF, were brave men and on one raid, in Denmark, there was said to have been a 100% loss. This aircraft was also used by the Finnish air force against the Soviet Union and the Canadians redeveloped it as a training craft and submarine hunter.