U.S Air Force Staff Sgt. Robert Cole with the 446th Force Support Squadron Joint Base Lewis-McChord, WA, hammers a tent stake while assembling a Utilis tent during Global Medic, Fort McCoy, Wis., July 17, 2013.Global Medic is an annual joint-reserve field-training exercise designed to replicate all facets of combat theater aeromedical evacuation support.(U.S. Air Force photo by Senior Airman Juan A. Duenas/Released).