U.S. Army Sgt. 1st Class Ron Bolinsky, (left) committee chief in charge of Initial Entry Training students, 128th Aviation Brigade, Fort Eustis, Va., explains the process of what it takes to operate an AH-64D Apache Longbow helicopter at a Felker Army Airfield hangar to Trent Di Giulio, Defense Orientation Conference Association member, during DOCA's visit to Training and Doctrine Command July 30 at Fort Eustis, Va. (US Army photo by Sgt. 1st Class Kelly Jo Bridgwater/Released)