Lt. Col. (Dr.) Gary Geracci prepares to remove a decayed tooth from the mouth of a Colombian boy at the Hospital Toribo Maya in Popayan, Colombia, Sept. 12. The colonel is one of 14 members of a medical team sent to Colombia to participate in a medical readiness training exercise. He is an oral surgeon assigned to the 55th Medical Group at Offutt Air Force Base, Neb. (U.S. Air Force photo/Staff Sgt. Matthew Bates)