Deputy United States Marshals listen to Senior Airman Jason Ashmore, 14th Security Forces Squadron at Columbus Air Force Base July 19 as he explains the exercises that they will be participating in. The Marshals engaged in multiple exercises including a force on force exercise with multiple scenarios, a Shoot Move Communicate course and use of a Fire Arms Training Simulator. (U.S. Air Force Photo/Airman 1st Class Charles Dickens)