The Silvermaster ring operated primarily in the Department of the Treasury but also had contacts in the [[Army Air Force]] and in the [[White House]]. Sixty-one of the Venona cables concern the activities of the Silvermaster spy ring. | The Silvermaster ring operated primarily in the Department of the Treasury but also had contacts in the [[Army Air Force]] and in the [[White House]]. Sixty-one of the Venona cables concern the activities of the Silvermaster spy ring. |