180407-N-HE318-0015 SOUTH CHINA SEA (April 7, 2018) Lt. j.g. Kevin LaPolt, from New Jersey, mans damage control central during a chemical, biological, radiological (CBR) general quarters exercise on the forward-deployed Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89). Mustin is on patrol in the U.S. 7th Fleet area of operation supporting security and stability in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class William McCann/Released)