Naval hydroaeroplanes being tested at League Island Navy Yard in Philadelphia. The photo was taken on April 16, 1918, by Lt. N. McDonald. It is not for publication and was released by W. C. D. to Photo Blv., 8. c. Subject to approval.

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Size: 7983px × 6305px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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