![](http://www.alamy.com/thumbs/6/36CA8863-1F64-4FCE-9AA0-0D8F9EB32F20/2GGBNXP.jpg)
Two-seat, single-engine World War I biplane observation and bomber aircraft; 400-horsepower Liberty V-12 water-cooled engine. American-built version of a British design. Wings and tail natural finish overall. Fuselage light yellow on sides, brown on top. The United States possessed no combat-worthy aircraft upon entry into World War I in 1917. Several European aircraft were considered. The British DH-4 was selected because of its comparatively simple construction and its apparent adaptability to mass production. It was also well-suited to the new American 400-horsepower Liberty V-12 engine. Am
Two-seat, single-engine World War I biplane observation and bomber aircraft; 400-horsepower Liberty V-12 water-cooled engine. American-built version of a British design. Wings and tail natural finish overall. Fuselage light yellow on sides, brown on top. The United States possessed no combat-worthy aircraft upon entry into World War I in 1917. Several European aircraft were considered. The British DH-4 was selected because of its comparatively simple construction and its apparent adaptability to mass production. It was also well-suited to the new American 400-horsepower Liberty V-12 engine. American-built DH-4s were dubbed the "Liberty ; By war's end, 13 Army Air Service squadrons, five of them bomber squadrons, were equipped with them. In addition, four combined Navy-Marine squadrons were flying DH-4s along the Belgian coast.
Size: 8688px × 5792px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No
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