US Air Force Technical Sergeant Trace Sexton, 136TH Security Forces Squadron, Fort Worth, Texas, mans the main entry control point of the Mississippi National Guard Combat Training Center during Exercise DEFENDER CHALLENGE 2000. He carries a 5.56mm M16 assault rifle with Multiple Integrated Laser Engagement System (M.I.L.E.S) gear on it and also has M.I.L.E.S gear on his vest and helmet