Principal Under Secretary of Defense visits Langley
Col. Eric Stone, 633rd Medical Group commander, gives Dr. Jo Ann Rooney, Principal Under Secretary of Defense for Personnel and Readiness, a tour of the new hospital during a visit at Langley Air Force Base, Va., July 12, 2011. The purpose of Dr. Rooney’s visit was to gain a better understanding of policies and procedures in order to better perform her duties as the senior policy advisor to the Secretary of Defense.(U.S. Air Force photo by Staff Sgt. Dana Hill/Released)