The first of a fleet of biplanes (Vought O2Us) which the Coast Guard will use in border patrol work is shown being inspected at Washington by Secretary of the Treasury Henry Morgenthau, Jr. (left) and RAdm. Harry G. Hamlet, Coast Guard commandant. The planes are equipped with two-way radios, blind flying instruments, and machine guns, which one of the two pilots is shown demonstrating. (U.S. Coast Guard photo)

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