Maj. Jennifer Kraus, the Warrior Challenge event organizer, explains the event route to participants Jan. 11, 2012, in Southwest Asia. The event consisted of games, riddles, and obstacles that reflected the four components of Comprehensive Airman Fitness -- physical, social, spiritual and mental fitness. The purpose of the event was to increase awareness of CAF and to help promote a wingman culture. (U.S. Air Force photo/Staff Sgt. Nathanael Callon)