U.S. Army Command Sgt. Maj. John Wayne Troxell, Senior Advisor to the Chairman of the Joint Chiefs of Staff, answers questions during an interview in the Horizons Community Center at Tyndall Air Force Base, Fla., April 23, 2018. Within his duties, Troxell serves as an advisor to the Chairman of the Joint Chiefs of Staff and the Secretary of Defense on all matters involving joint and combined total force integration, utilization, health of the force and joint development for enlisted personnel. (U.S. Air Force photo by Airman 1st Class Solomon Cook/Released)