mint; multicolored; flying YB-49 Flying Wing; American Advances in Aviation; verso of pane says, "YB-49 Flying Wing / Deemed futuristic in the late '40s, the / all-wing configuration of Northrop's / ...
Steel Horse Rides on MSN
4 experimental warplanes that nearly changed history
Warplanes are often heralded as the unsung heroes of modern conflict, and while we mostly […] ...
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