The Douglas B-18 Bolo is an American twin-engined medium bomber which served with the United States Army Air Corps and the Royal Canadian Air Force during the late 1930s and early 1940s. The Bolo was
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B-18 formation during exercises over Hawaii, 1940–1941
B-18A at Aguadulce Army Airfield in Panama
The Boeing B-17 Flying Fortress is an American four-engined heavy bomber aircraft that was developed in the mid-1930s for the United States Army Air Corps. A fast and high-flying bomber used primarily
Douglas B-18 Bolo
…the evaluation at Wright Field the following year, Douglas offered its DB-1. It was competing against the Boeing Model 299 (later developed into the Boeing B-17 Flying Fortress) and Martin 146. While the Boeing design was clearly superior, the 299's four engines eliminated it from consideration despite being the favorite, and…
A B-17G, Sentimental Journey, performing at the 2014 Chino Airshow in Chino, California
Installation of fixtures and assemblies on a tail fuselage section of a B-17 at the Douglas plant in Long Beach, California, October 1942
Waist position gun blister of Model 299, not adopted for production
Boeing-built B-17Fs, with the clear-view two-piece Plexiglas bombardier's nose.