Keywords: US Navy 050403-N-4371L-001 Fire Controlman 3rd Class Christopher D. Dotson of Houston, Texas, attaches a loader assembly to a Close-In Weapons System (CIWS).jpg en Atlantic Ocean Apr 3 2005 - Fire Controlman 3rd Class Christopher D Dotson of Houston Texas attaches a loader assembly to a Close-In Weapons System CIWS aboard the Nimitz-class aircraft carrier USS Theodore Roosevelt CVN 71 The loader assembly is used for replacing 20mm dummy rounds with live ammunition to be shot during a Pre-Aim Calibration fire CIWS is the self-defense system that combines a 20mm Gatling gun with search and tracking radar to provide surface ships with terminal defense against anti-ship missiles Roosevelt is currently underway for Tailored Ship Training Availability and Final Evaluation Problem TSTA/FEP in the Atlantic Ocean U S Navy photo by Photographer's Mate 3rd Class Charles A Ledbetter RELEASED 2005-04-03 050403-N-4371L-001 Navy http //www navy mil/view_image asp id 23322 U S Navy photo by Photographer's Mate 3rd Class Charles A Ledbetter PD-USGov-Military-Navy Maintenance of Phalanx CIWS Aboard USS Theodore Roosevelt CVN-71 Fire Controlman M61 Vulcan |