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U.S. Ambassador to Canada David L. Cohen, left, and U.S. Air Force Col. Paul Townsend, 354th Fighter Wing commander, walk through the operation rooms of the 355th Fighter Squadron during a tour at Eielson Air Force Base, Alaska, Sept. 13, 2024. During his tour, Ambassador Cohen visited units and Arctic communities that support the Alaskan Command and North American Defense Region, a joint U.S and Canadian organization which conducts homeland defense missions through aerospace control within the Alaska theater of operations. (U.S. Air Force photo by Airman 1st Class Spencer Hanson)