Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, hosts a physical training session with Deputy Defense Secretary Patrick M. Shanahan and service members from across the joint force at the inaugural DoD Readiness and Resilience Workshop at Fort McNair in Washington, April 17, 2018. The workshop featured speakers and covered topics to optimize human performance through the body, mind, and spirit. DoD photo by Army Sgt. James K. McCann