180123-N-VD165-120 SAN DIEGO (Jan. 23, 2018) Fireman Nathan James opens a M98 chemical, biological and radiological filter container on the flight deck of the amphibious assault ship USS Boxer (LHD 4). Boxer is in its homeport preparing for contractor sea trials. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jose Jaen/Released)