Mysterious fortress at RAF Lakenheath
ROYAL AIR FORCE LAKENHEATH, England - Airman 1st Class Chance Bruno, 48th Component Maintenance Squadron Avionics Intermediate Section team member, practices boresight alignment on an F-15 radar antenna, in the Radar section of the 48th CMS Avionics Flight AIS building, Sept. 7, 2011. AIS Airmen are responsible for providing the flightline with highly effective and efficient intermediate support to maintain the electronics on fighter aircraft. (U.S. Air Force photo by Senior Airman Tiffany M. Deuel)