Defender Challenge
LACKLAND AIR FORCE BASE, Texas -- Royal Air Force Regiment Sgt. Andrew Henderson, on litter, encourages his teammates during the Defender Challenge 2004 fitness challenge event. Carrying Sergeant Henderson are, from left, Cpl. Duncan Slater, Cpl. Leigh Hobson and Senior Aircraftsman Gavin Ryder. The annual Defender Challenge pits security forces teams from Air Force major commands, the RAFR and the Department of Energy against each other in events that test marksmanship, tactics, physical fitness and teamwork. This year's competition runs Oct. 23 to 28. (U.S. Air Force photo by Gary Emery)