Keywords: US Navy 110216-N-5339K-048 Damage Controlman Fireman Apprentice Brent Colyer checks a sprinkler during a test of the chemical, biological and radio.jpg en ATLANTIC OCEAN Feb 16 2011 Damage Controlman Fireman Apprentice Brent Colyer checks a sprinkler during a test of the chemical biological and radiological countermeasure wash down system on the forecastle of the guided-missile destroyer USS Mitscher DDG 57 Mitscher is conducting a joint task force exercise as part of the George H W Bush Carrier Strike Group U S Navy photo by Mass Communication Specialist Seaman Deven B King/Released 2011-02-16 110216-N-5339K-048 Navy http //www navy mil/view_image asp id 97733 U S Navy photo by Mass Communication Specialist Seaman Deven B King PD-USGov-Military-Navy Aboard USS Mitscher DDG-57 Photographs by Deven King |