170228-N-RM689-026 SOUTH CHINA SEA (Feb. 27, 2017) Chief Damage Controlman Arturo Chavez, center, demonstrates the proper way to don a gas mask on Hull Maintenance Technician Fireman Robert Holden during an advanced chemical, biological and radiological warfare training class aboard the Arleigh Burke-class guided-missile destroyer USS Wayne E. Meyer (DDG 108). The ship is on a western Pacific deployment with the Carl Vinson Carrier Strike Group as part of the U.S. Pacific Fleet-led initiative to extend the command and control functions of U.S. 3rd Fleet into the Indo-Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kelsey L. Adams/Released)