ARCTIC OCEAN - Coast Guard Lt. Kelly Nolan, left, helps diver Shawn Harper, a researcher from the University of Alaska Fairbanks, right sitting, with his diving gear, Oct. 6, 2009. The divers traveled aboard the Coast Guard Cutter Polar Sea, homeported in Seattle, which transported different groups of scientists through the Arctic Ocean in support of various research projects. U.S. Coast Guard photo by Petty Officer 3rd Class Pamela J. Manns