Boeing YB-40 Flying Fortress Boeing YB-40 Flying Fortress The Boeing YB-40 Flying Fortress was a modification for operational testing purposes of the B-17 Flying Fortress bomber aircraft, converted to act as a heavily armed gunship for other bombers during World War II. At the time of its development, long-range fighter aircraft such as the North American P-51 Mustang were just entering quantity production, and thus were not yet available to accompany bombers all the way from England to Germany and back. Work on the prototype, Project V-139, began in September 1942 by converting the second production B-17F-1-BO (serial number 41-24341) built. Conversion work was
RAF Bomber Command aircrew of World War II St. Stanislaus commanding No. 207 Squadron RAF was aged 46 when he was killed in action on 23 March 1944 flying an Avro Lancaster, he was a veteran pilot who had served in World War I and had half of a hand shot off. Possibly the youngest member of aircrew to be killed serving with an operational bomber squadron is Flight Sergeant Edward James Wright Royal Canadian Air Force who was killed aboard an Avro Lancaster of No. 428 Squadron RCAF on 30 April 1945 apparently aged 16. A number of seventeen year olds were lost flying operationally with RAF