Clockwise from front left, Senior Airman Peter Goodick, Staff Sgt. Chase Alvarez, Staff Sgt. Chad Dickson, and Staff Sgt. Alexander Banovz carry a weighted litter over the final 300 meters of the Air Force Academy obstacle course at Jacks Valley on May 19. The 310th Security Forces Squadron members competed in the Guardian Challenge 2010 security forces competition, which also included shooting and tactics categories. (U.S. Air Force photo by Tech. Sgt. Scott P. Farley)