Hobby 2000 1/72 Boeing Washington B.1 Superfortress 72069Hobby 2000 1 72 Boeing Washington B. 1 Superfortress 72069 The Washington B. 1 was the Royal Air Forces designation for the American Boeing B 29 Superfortress, operated by the RAF from 1950 to 1954. Loaned under a U. S. military assistance program, 87 aircraft were used to fill a gap before Britain's own jet bombers entered service. Deployed with Bomber Command squadrons, the Washingtons served in roles including strategic bombing training and