Staffers mull about ahead of a House Permanent Select Committee on Intelligence hearing in the Rayburn House Office Building on Capitol Hill on...
Sign for the National Security Agency , US Cyber Command and Central Security Service, is seen near the visitor's entrance to the headquarters of the...
Fort Meade, UNITED STATES: A computer workstation bears the National Security Agency logo inside the Threat Operations Center inside the Washington...
The National Security Agency headquarters at Fort Meade, Maryland, as seen from the air, January 29, 2010. AFP PHOTO/Saul LOEB