YB-17 Flying Fortress Prototype - Color Picture
Boeing YB-17 bomber (prototype of the B-17 Flying Fortress) of the 2nd Bombardment Group at Langley Field, Virginia in May 1942. (Library of Congress)

YB-17

December 23, 2012
by Lone_Sentry_Admin
1 min read
YB-17 Flying Fortress Prototype - Color Picture
Boeing YB-17 bomber (prototype of the B-17 Flying Fortress) of the 2nd Bombardment Group at Langley Field, Virginia in May 1942. (Library of Congress)

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