180123-N-VD165-102 SAN DIEGO (Jan. 23, 2018) Damage Controlman 2nd Class Hector Salazar opens an 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)