80-G-700310: View of first radar installation on USS Leary (DD 158) in 1937 at Chesapeake Bay.  Ships and planes were tracked by the equipment – the Yagi Type Antenna being maneuvered about by moving the gun.    Photograph released:  August 14, 1945.  U.S. Navy photograph, now in the collections of the National Archives.  (2016/06/28).
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