Tour of Duty Ride 2012
Members of the Arizona Army and Air National Guard ride in stage four of the Tour of Duty ride Aug. 16, 2012. Local guardsmen joined 24 military members, firefighters and police officers from the U.S. and Australia on their way to Flagstaff and then Denver as the tour participants make their way more than 2,600 miles from San Diego to New York City. (U.S. Air Force photos by Tech. Sgt. Susan Gladstein/Released)