Petty Officer 1st Class Kenneth D. Cook, a boatswain's mate assigned to Coast Guard Cutter Healy, a 420-foot polar icebreaker homeported in Seattle, runs to greet his two sons after mooring at Coast Guard Base Seattle, Nov. 5, 2013. Crewmembers aboard CGC Healy returned home after spending almost four months assisting scientists in the Arctic region. (U.S. Coast Guard photo by Petty Officer 3rd Class Katelyn Tyson)