Keywords: US Navy 070117-N-3688M-001 The combat systems department conducts a test fire of the Close-In Weapons System (CIWS) aboard USS Theodore Roosevelt (CVN 71).jpg en Atlantic Ocean Jan 17 2007 The combat systems department conducts a test fire of the Close-In Weapons System CIWS aboard USS Theodore Roosevelt CVN 71 The CIWS is a fast-reaction 20mm Gatling gun used in air defense The nuclear-powered aircraft carrier is currently maintaining qualifications as part of the fleet response plan U S Navy photo by Mass Communication Specialist Seaman Kenneth Mays RELEASED 2007-01-17 070117-N-3688M-001 Navy http //www navy mil/view_image asp id 42219 U S Navy photo by Mass Communication Specialist Seaman Kenneth Mays PD-USGov-Military-Navy Aboard USS Theodore Roosevelt CVN-71 Phalanx CIWS firing |