330-CFD-DN-SN-88-01713:  Framed by a pothole, an officer sights through an azimuth circle on the bridge of the amphibious assault ship USS Tripoli (LPH 10). The Tripoli is acting as a command ship for US forces during Exercise Valiant Usher '87, a joint military exercise with Royal Australian forces, 1/1/1987.   U.S. Navy Photograph, now in the collections of the National Archives.  (2016/02/18).
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