Boeing YB-40 Flying Fortress March 1944. All of the aircraft were sent to reclamation, mostly at RFC Ontario in May 1945, being broken up and smelted. (A couple of the YB-40s can be seen in the 1946 movie "The Best Years of Our Lives", in the famous scene shot at the Ontario "graveyard".) No airframes were sold on the civil market. 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
B-17G "Flying Fortress" No. 44-83690 B-17G "Flying Fortress" No. 44-83690 B-17G-95-DL "Flying Fortress" No. 44-83690 is a historic B-17 Flying Fortress Heavy bomber located at the Aviation Museum, Grissom Air Force Base in Pipe Creek Township, Miami County, Indiana. It was built by the Douglas Aircraft Company and delivered for use on May 9, 1945. It was flown to Grissom Air Force Base for display as a museum piece in 1961, and subsequently restored. It was listed on the National Register of Historic Places in 1993. It was moved to the Museum of Aviation in Warner Robins, Georgia in August 2015. 44-83690 is a G-series