Screen Shot 2019-04-10 at 12.05.30 Published on April 10, 2019 in 10 April 1972Full resolution (850 × 761) ← Previous Windover’s Interstate Cadet S-1A, with Pike’s Peak in the background. Inset: Lieutenant Colonel W. Roy Windover, RCAF, in the cockpit of his Interstate Cadet. (UPI)