Coast Guard Cutter Healy, a 420-foot polar icebreaker, transits Puget Sound after departing its homeport of Seattle for an Arctic deployment, June 24, 2015. Coast Guard Research and Development Center personnel returned to Healy for the cutter’s annual summer deployment to evaluate and improve Coast Guard capabilities in the Arctic. (U.S. Coast Guard photo by Petty Officer 3rd Class Katelyn Shearer)