Nellis AFB
Army Command Sgt. Maj. John Troxell (center), senior enlisted advisor to the Chairman of the Joint Chiefs of Staff, arrives at the U.S. Air Force Warfare Center, Nellis Air Force Base, Nev., July 10, 2017. Throughout the day, Troxell received mission briefs from enlisted teams representing a number of critical Air Force organizations. (U.S. Air Force photo/Senior Airman Joshua Kleinholz)