Clayton R. NewellClayton R. Newell retired from the U.S. Army with the rank of lieutenant colonel after 27 years of active duty, during which he served as the director of Joint Operations Concepts at the U.S. Army War College, held the John J. Pershing Chair o Military Planning and Operations, and was the Chief of Historical Services at the U.S. Army Center for Military History in Washington, D.C. Read More Read Less