Command Sgt. Maj. Timothy A. Guden, U.S. Army Training and Doctrine Command command sergeant major, leads a professional development session at Joint Base Langley-Eustis, Virginia, Oct. 25, 2019. More than 300 Soldiers and civilians attended the session detailing the topic “Expectations of an NCO.” (U.S. Air force photo by Tech. Sgt. Robert Hicks)