Rear Adm. Jack Vogt, commander of the 13th Coast Guard district, welcomes the crew of USCGC Polar Star (WAGB-10) at Base Seattle, Wednesday, March 25. The nation's only heavy icebreaker, during Operation Deep Freeze 2020 the Polar Star created a path through 451.1 nautical miles of ice up to 6 feet thick so that provisioning vessels could reach McMurdo Station, Antarctica. (U.S. Coast Guard photo by PA3 Michael Clark)