U.S. Coast Guard Cutter Bertholf, homeported in Alameda, California, operates in the Bering Sea, Aug. 24, 2021. The Bering Sea produces more than 50 percent of the nation’s fish and shellfish harvest – worth more than $5 billion annually – and is the gateway to the Arctic, which encompasses 900,000 square miles of U.S. exclusive economic zone off the Alaskan coast. U.S. Coast Guard photo courtesy of Coast Guard Cutter Bertholf.