Lihani. With a cooperative geographic partnership dating back to World War II, the United States and Canada have been working together for North American security ever since, with their defense organization NORAD established during the height of the Cold War. Featuring more than a hundred rare color photographs, this Images of Modern America release examines NORAD's command center in Colorado Springs, a facility that moved underground to Cheyenne Mountain in 1966 and remains one of the nation's most impenetrable fortresses. 96 pages, 173 color photos, 6½"x 9¼", softcover.