160219-N-SF508-134 VIRGINIA BEACH, Va. (Feb. 19, 2016) Rear Adm. Frank Morneau, Commander, Navy Expeditionary Combat Command, presents Cmdr. Jeffrey Morganthaler, commanding officer of Mobile Diving and Salvage Unit Two (MDSU 2) with the Battle Efficiency award during a change of command ceremony at Joint Expeditionary Base Little Creek. Cmdr. Morganthaler was relieved by Cmdr. William Wirtz as commanding officer of MDSU 2, the only east coast mobile diving and salvage unit. (U.S. Navy photo by Mass Communication Specialist 2nd Class Charles Oki/Released)