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An armed Turkish riot police officer arrives to take a position outside a courthouse where prosecutors are questioning hundreds of coup plotters, in Ankara, Turkey, Wednesday, July 20, 2016. Turkey's National Security Council is holding an emergency meeting following a coup attempt last week that was derailed by security forces and protesters loyal to the government. President Recep Tayyip Erdogan was heading the meeting Wednesday of the council, which is the highest advisory body on security issues. (AP Photo/Burhan Ozbilici)

U.S. National Security

January 1, 1970

U.S. National Security