Douglas C-1C on Feb. 26, 1932. Note the landing lights at the tips of the lower wing and the instrument probe tied to the struts (left side). ( Air Force photo)

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Size: 1996px × 1252px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, force, military, states, united, usa