U.S. Army command sergeants major attend the U.S. Army Training and Doctrine Command CSM Center of Excellence and Proponent CSM workshop at Joint Base Langley-Eustis, Va., March 20, 2018. During the workshop CSMs discussed the four major functions of TRADOC; designing, acquiring, building and improving today and tomorrow’s Army. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland)