 In September 1945, immediately after the surrender of Japan, all contracts for further production of the B-29 were terminated after 3,970 aircraft (2,766 by Boeing Aircraft, 668 by Bell Aircraft, and 536 by Glenn L. Martin Co.) were accepted by the USAAF.Uncompleted airframes at the Boeing Plant in Wichita, Kansas plant were stripped of all government furnished equipment and scrapped on the flightline.A vast majority of the B-29s were stored by a new process of cocooning.