200610-N-FA490-1212 PACIFIC OCEAN (June 10, 2020) A close-in weapons system (CIWS) fires from the aft missile deck of the Arleigh Burke-class guided-missile destroyer USS Halsey (DDG 97), during a pre-action aim calibration (PAC) fire, June 10, 2020. Halsey is deployed to the U.S. Southern Command area of responsibility to support Joint Interagency Task Force South�s mission, which includes counter illicit drug trafficking in the Caribbean Sea and eastern Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Langholf/Released)