Information Systems Technician 3rd Class Joseph Keeton, from Quincy, Mich., responds to a simulated medical emergency aboard the Arleigh Burke-class guided-missile destroyer USS Truxtun (DDG 103). Truxtun is deployed as part of the George H.W. Bush Carrier Strike Group supporting maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Scott Barnes/Released)