U.S. Air Force basic cadet trainee Savior Stephens crosses a rope station. U.S. Air Force basic cadet trainee Savior Stephens crosses a rope station on the assault course in Jacks Valley on the U.S. Air Force Academy's training grounds in Colorado on July 18, 2007. The assault course teaches hand-to-hand combat skills and rifle fighting techniques while allowing basic cadets to practice these elements in controlled scenarios, in a mentally and physically challenging environment. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 189192-F-WCI29-975.jpg Photo Gallery