U.S. Army Gen. David G. Perkins, commander of Training and Doctrine Command, right, briefs Acting Secretary of the Army Ryan McCarthy, left, during a visit to Joint Base Langley-Eustis, Va., Aug. 10, 2017. During his brief, Perkins discussed TRADOC and the Army Capabilities Integration Center’s role in building the future Army. (U.S. Air Force photo/Tech. Sgt. Katie Gar Ward)