US Declassified Documents Online (USDDO) provides access to previously classified US government documents, particularly from the executive branch. The majority of the documents are presidential records. You can also find records from the Department of State, Department of Defense, Central Intelligence Agency, Federal Bureau of Investigation, Joint Chiefs of Staff, and other executive agencies. Materials include intelligence studies, policy papers, diplomatic correspondence, cabinet meeting minutes, briefing materials, and domestic surveillance and military reports. NOTE: This resource was previously called Declassified Documents Reference System (DDRS).