Keywords: US Navy 090604-N-0413R-080 Students huddle to account for their classmates as they complete the final dunk and lap swim exercise during the simulated storm at the Aviation Survival Training Center in Jacksonville, Fla.jpg en JACKSONVILLE Fla June 4 2009 Students huddle to account for their classmates as they complete the final dunk and lap swim exercise during the simulated storm at the Aviation Survival Training Center in Jacksonville Fla The quadrennial two-day course is required of all Naval aviators U S Navy photo by Mass Communication Specialist 2nd Class Shannon Renfroe/Released 2009-06-04 090604-N-0413R-080 Navy http //www navy mil/view_image asp id 76166 U S Navy photo by Mass Communication Specialist 2nd Class Shannon Renfroe PD-USGov-Military-Navy Aviation Survival Training Center Jacksonville |