Question: Which Air Force Base was the last assignment for the 820th Strategic Aerospace Division and is located south of the Canada-United States border?
Sentence (from "Plattsburgh Air Force Base"): Plattsburgh Air Force Base is a former United States Air Force Strategic Air Command (SAC) base covering 3,447 acres (13.7 km²) in the extreme northeast corner of New York, 20 miles (32 km) south of the Canada–United States border, located on the western shore of Lake Champlain opposite Burlington, Vermont, in the city of Plattsburgh, New York.
Relevant evidence: Yes