Keywords: US Navy 110210-N-1810F-148 A naval aviator swims to the surface after exiting the 9D6 dunker during a training exercise at the Aviation Survival Tr.jpg en JACKSONVILLE Fla Feb 10 2011 A naval aviator swims to the surface after exiting the 9D6 dunker during a training exercise at the Aviation Survival Training Center ASTC at Naval Air Station Jacksonville The device simulates an aircraft water landing The ASTC provides courses for naval aircrew personnel and operates under the aegis of Navy Medicine Support Command U S Navy photo by Mass Communication Specialist 2nd Class Todd Frantom/Released 2011-02-10 110210-N-1810F-148 Navy http //www navy mil/view_image asp id 97632 U S Navy photo by Mass Communication Specialist 2nd Class Todd Frantom PD-USGov-Military-Navy Aviation Survival Training Center Jacksonville Helicopter Underwater Escape Training Underwater photographs |