Three years ago the U.S. Air Force Academy was only a piece of level ground at Colorado Springs. The student body was located temporarily at Denver's Lowry Air Force Base as the football team took on freshman and minor-college opposition with indifferent success. But last week the academy's Falcons found themselves in astonished possession of an unbeaten record in big-time competition, aspirations of national ranking. Reason: a 37-year-old coach named Ben Martin.
Onetime varsity letterman and later an assistant coach at Annapolis, Martin went to Colorado Springs from the University...