Chaplain (Maj.) David Knight, 20th Fighter Wing flight line chaplain, speaks with Senior Airman Mark Shoup (left) and Airman 1st Class Antonio Griego, 20th Civil Engineering Squadron heating ventilation and air conditioning specialists, about their work at Shaw Air Force Base, S.C., July 16, 2012. The wing chapel staff routinely visits Airmen and Soldiers across the base, to stay in touch with and minister to wants, needs, morale and any concerns they may have. (U.S. Air Force photo by Airman 1st Class Daniel Blackwell/Released)