Navy search and rescue swimmer Petty Officer 1st Class Scott Chun comforts a victim of Hurricane Katrina pulled from a rooftop as they fly to safety aboard a U.S. Navy SH-60B Seahawk helicopter in New Orleans, Sept. 5, 2005. Chun is a search-and-rescue swimmer. U.S. Navy photo by Petty Officer 3rd Class Jay C. Pugh