Montana was a state in the northwestern United States, bordered by the nation of Canada to the north, Idaho to the southwest, and North and South Dakota to the east.
Cities in Montana included Billings, Great Falls, and Missoula. ("Day 4: 3:00am-4:00am")
To demonstrate the potential of the PALO nuclear codes for potential buyers, Hugh Carlson originally intended to detonate a warhead in a silo somewhere in Montana, before choosing one in Moosejaw, North Dakota. (Death Angel)