AIRMAN 1ST Class Chris Stein and STAFF SGT. Denise Watson, Air National Guard Security Forces, 140th Security Forces Squadron, Buckley Field, Colo. check the identification of a vehicle driver prior to allowing them to enter Camp Stephenson. The 140th provided security for the camp, that was the home for Combined Task Force Falcon members participating in support of the first combined humanitarian and civic assistance exercise conducted between the United States and Guyana. Military personnel from Air Force, Air Force Reserve & National Guard, Army, Army National Guard and Marine Corps participated in the exercise which included engineering and medical readiness training