160927-N-N1526-002 CAIRO, Egypt (Sept. 27, 2016) Vice Adm. Forrest Faison delivers remarks during a change of command ceremony held at U.S. Naval Medical Research Unit 3 in Cairo, Egypt. During the ceremony, Capt. Andrew Vaughn relieved Capt. John Gilstad as commanding officer, U.S. Naval Medical Research Unit 3. An integral part of Navy Medicine's research and development, U.S. Naval Medical Research Unit 3 is one of three overseas infectious disease and surveillance activities. (U.S. Navy photo/Released)