Master Sgt. Gerardo Esquivel, 455th Expeditionary Force Support Squadron, raises the American flag during the Deployed Air Force Marathon at Bagram Airfield, Afghanistan, Sept. 16, 2017. Esquivel is a seasoned runner, competing in multiple half and full marathons since 2008. Esquivel has participated in six Air Force Marathons, to include one in Iraq and Afghanistan. (U.S. Air Force photo by Staff Sgt. Benjamin Gonsier)