U.S. Coast Guard crews and San Diego lifeguards work together to recover simulated survivors during a mass rescue exercise near Mission Bay, March 5, 2014. The exercise, sponsored by the San Diego lifeguards, was designed to assess the participating agencies’ ability to work together to respond to a major maritime disaster resulting in a large number of injured people in the water. (U.S. Coast Guard photo by Petty Officer 3rd Class Connie Terrell)