GUAM, Agat - A U.S. Navy MH-60S Knighthawk helicopter rescue crew moves into position to retrieve a mannequin from the water approximately three miles west of Agat Marina during a search and rescue exercise March 13, 2012. The Coast Guard-led exercise involved a response of more than 50 emergency personnel from local and military search and rescue agencies. U.S. Coast Guard photo by Seaman Kevin Bland.