A family member waves to a member of the Coast Guard Cutter Polar Star, a 399-foot heavy icebreaker, while the vessel moors to Piet 66 in Seattle, March 17, 2017.
The crew returned from a 107-day resupply mission to Antartica, the Polar Star the only operational U.S. icebreaker capable of conducting Antarctic resupply missions.
U.S. Coast Guard photo by Petty Officer 3rd Class Amanda Norcross.