Three part documentary of the history of the Royal Air Force during World War Two. They combine actual Air Ministry films and period newsreel footage with interviews of surviving members of the air force. This final part covers the the years 1941-1945 from the campaigns to attack German military targets to mass night bombing, primarily from the viewpont of Bomber Command, and associated Air-Sea rescue. It ends with the food aid flights to the Netherlands immediatly prior to Victory in Europe. Featured aircraft include the Bristol Blenheim, the Vickers Wellington, and the heavy bombers Short Stirling, Handley Page Halifax and Avro Lancaster.