The Lockheed XB-30 (company model L-249) was the design submitted by Lockheed after the request by the United States Army Air Forces for a very heavy bomber the same request that led to the B-29 Superfortress the Douglas XB-31 and B-32 Dominator. Around 1938 General Henry H. 'Hap' Arnold the head of the Army Air Force was growing alarmed at the possibility of war in Europe and in the Pacific.
Made by Lockheed Corporation.
It is the successor of the Lockheed Constellation .