USS Trepang (SSN-674), 1985. Admiral James D. Watkins, Chief of Naval Operations, left, and Vice Admiral N.R. Thunman, Deputy Chief of Naval Operations, submarine USS Trepang (SSN-674) while inspecting the Arctic Research and Environmental Acoustic (AREA) program. AREA '85 is a Navy-sponsored expedition to study oceanography, acoustics, geophysics, communications and submarine warfare in the polar environment, July 5, 1985. Photographed by JOC Fred J. Klinkenberger, USN. U.S. Navy photograph, now in the collections of the National Archives.