Col. Scott Shepherd, 21st Space Wing vice commander, talks with local media about the 21st Space Wing’s involvement with Guardian Challenge 2008 May 2 at the U.S. Air Force Academy, Colo. Colonel Shepherd was joined by other 21st SW leadership to cheer on the joint 21st/721st Security Forces Squadron team before their Guardian Challenge urban warfare competition. The six-man team is comprised of Tech. Sgt. Cesar Ochoa, Staff Sgts. Jordan Freeman, Brian Marshall and Jeffrey Turner, Senior Airman Eric Frias and Airman Stacy John. (U.S. Air Force photo/Senior Airman Stephen Collier)