150119-N-OM642-037 DIEGO GARCIA, British Indian Ocean Territory (Jan. 19, 2015) Lt. Russell Jarvis, an engineer from Naval Facilities Engineering and Expeditionary Warfare Center in Washington, D.C., inspects piles during a survey on a deep draft wharf at U.S. Naval Support Facility Diego Garcia. Seabees from Underwater Construction Team (UCT) 2, Port Hueneme, Ca., and Navy divers from Mobile Diving and Salvage Unit (MDSU) 1 in Pearl Harbor are checking the structural integrity of fenders and piles on the wharf. (U.S. Navy photo by Mass Communication Specialist 1st Class Gary Keen/Released)