One box after another was unloaded off the New England Patriots’ red-white-and-blue Boeing 767 at Boston Logan International Airport Thursday afternoon. Inside the boxes were the first shipment of N95 masks meant for health care workers on the front lines of the coronavirus response. Gov. Charlie Baker confirmed Thursday that the state would receive nearly 1 million N95 masks over a series of shipments. The state secured a bid from China and got help from the Kraft Foundation to bring it to the U.S.