RAF CROUGHTON, United Kingdom – (Left) Staff Sgt. Raymond Parker, 422nd Communications Squadron high frequency systems NCOIC, and Walter Heidelberger, 422nd Communications Squadron high frequency systems supervisor, test a high frequency receiver patch panel at RAF Croughton Sept. 5. The 422nd CS provides global communications in support of U.S. and NATO objectives worldwide. (U.S. Air Force photo by Master Sgt. John Barton)