Sgt. Maj. of the Army Michael A. Grinston speaks to the United States Army Recruiting Command brigade and battalion leadership during the USAREC annual leader's training conference at Fort Knox, Ky., Oct. 23, 2019. He was invited by Maj. Gen. Frank Muth, commanding general, USAREC, to serve as a key note speaker. (U.S. Army photo by Lara Poirrier)"