U.S. Army Col. Steven Braddom assumed command of the Aviation Applied Technology Directorate, Aviation Development Directorate during a ceremony at Fort Eustis, May 2, 2014. AATD is a directorate of the Aviation and Missile Research, Development and Engineering Center, which is a part of the Research, Development and Engineering Command and is subordinate to the Army Materiel Command. (U.S. Air Force photo by Senior Airman Teresa J.C. Aber/Released)