U.S. Air Force Maj. Gen. H.D. Polumbo Jr., 9th Air Force commander, is greeted by members of the 633rd Medical Group before touring U.S. Air Force Hospital Langley on Langley Air Force Base Va., July 15, 2013. Polumbo visited the hospital as part of a two-day base tour. (U.S. Air Force photo by Airman Areca T. Wilson)