U.S. Army Sgt. 1st Class Daniel Addison, B Company, 1st Battalion, 210th Aviation Regiment, instructor and senior avionics training management noncommissioned officer, shows Kevin Harvick, NASCAR driver, the inner workings of a modified trainer AH-64 Apache helicopter during a tour of the 128th Aviation Brigade at Fort Eustis, Va., Aug. 20, 2014. Harvick toured Fort Eustis to learn about the installation’s different missions, and to thank Soldiers for their service. (U.S. Air Force photo by Staff Sgt. Teresa J.C. Aber/Released)