U.S. Army Col. Christopher Pflanz, Training and Doctrine Command G-27 Operational Environment Training Support Center director, left, briefs Acting Secretary of the Army Ryan McCarthy, third from left, during a visit to Joint Base Langley-Eustis, Va., Aug. 10, 2017. During his visit, McCarthy was familiarized with the scope and scale of TRADOC’s mission, including Army growth requirements and future battle capabilities. (Photo blurred for security purposes)(U.S. Air Force photo/ Tech. Sgt. Katie Gar Ward)