Preface to the Updated PostingBy John Prados
The “Pentagon Papers,” a top secret Department of Defense inquiry into the background and conduct of the Vietnam war, became famous when leaked by Daniel Ellsberg in July 1971. A landmark Supreme Court case upheld First Amendment rights, prohibiting then-president Richard M. Nixon from preventing their publication. For years the Pentagon Papers furnished the ultimate documentary source for studies of the war. But there was another, equally secret, review of the Vietnam war, one that did not leak





Intelligence and Vietnam (II): Return of The Top Secret 1969 State Department Study | National Security Archive (gwu.edu)