A Coast Guard Cutter Polar Star crewmember holds his child after returning to Seattle on March 16, 2017, from a 107-day deployment to Antarctica. The Polar Star crew departed Seattle Nov. 30, to assist in the annual delivery of operating supplies and fuel for NSF research stations in Antarctica. Operation Deep Freeze is the logistical support provided by the U.S. Armed Forces to the U.S. Antarctic Program. U.S. Coast Guard photo by Petty Officer 2nd Class Ali Flockerzi.