Nov 25, 2016 | Briefing Book
Washington, D.C., November 25, 2016 – Exactly thirty years ago, President Ronald Reagan announced to the nation – after weeks of denials – that members of his White House staff had engaged in a web...
Nov 18, 2016 | Briefing Book
The first sign of the long-suppressed dissatisfaction of the Hungarian people with a repressive and an economically inefficient regime appeared on October 6, 1956, at the ceremonial reburial of Laslo...
Nov 2, 2016 | Briefing Book
The NUMEC Affair: Did Highly Enriched Uranium from the U.S. Aid Israel's Nuclear Weapons Program?
Document collection and introduction by Roger J. Mattson, PhD
Oct 31, 2016 | Briefing Book
Oct 12, 2016 | Briefing Book
Washington, D.C. October 12, 2016 – Soviet leader Mikhail Gorbachev’s radical proposal in January 1986 to abolish nuclear weapons by the year 2000 met with derision on the part of many U.S.
Oct 7, 2016 | Briefing Book
Washington D.C., October 7, 2016 -Thirty years ago, a Soviet nuclear submarine with about 30 nuclear warheads on board sank off U.S.
Oct 6, 2016 | Briefing Book
Washington D.C., October 6, 2016 - On the 40th anniversary of the mid-air terrorist bombing of a Cuban civilian airliner over the Caribbean, the National Security Archive today called on the Obama...
Sep 30, 2016 | Briefing Book
Washington D.C., September 30, 2016 – The unilateral nuclear withdrawals announced by President George H.W.
Sep 23, 2016 | Briefing Book
Washington D.C., September 23, 2016 – A CIA special intelligence assessment in 1987 concluded that Chilean General Augusto Pinochet ordered an “act of state terrorism” on the streets of Washington, D...
Sep 14, 2016 | Briefing Book
Washington D.C., September 14, 2016 - President Richard Nixon may never have even read the President’s Daily Briefs partially declassified and released by the CIA with great fanfare on August 24,...
Sep 9, 2016 | Briefing Book
Washington D.C., September 9, 2016 – Forty-three years after the U.S.-supported military coup in Chile, the Central Intelligence Agency continues to withhold information on what it knew about...
Aug 15, 2016 | Briefing Book
U.S. Nuclear Weapons Policy toward Iceland, 1951-1960
Aug 11, 2016 | Briefing Book
Washington, D.C., August 11, 2016 – In September 1980, the U.S. embassy in Buenos Aires transmitted a detailed six-page cable, entitled “The Tactic of Disappearance,” to the State Department.
Jul 22, 2016 | Briefing Book
Washington, D.C., July 22, 2016 - U.S. atomic tests in Bikini Atoll in July 1946 staged by a joint Army-Navy task force were the first atomic explosions since the bombings of Japan a year earlier.
Jul 1, 2016 | Briefing Book
The Atomic Tests at Bikini Atoll, July 1946*
Jul 1, 2016 | Briefing Book
Washington DC, July 1, 2016 - Fifty years ago on July 4, 1966, Lyndon Johnson signed the landmark Freedom of Information Act while vacationing at his Texas ranch.
Jun 23, 2016 | Briefing Book
Washington DC, June 23, 2016 – Recently discovered British documents posted today by the National Security Archive provide a new and revealing account of the CIA’s role in a top-secret plan to ravage...
May 27, 2016 | Briefing Book
Washington D.C., May 27, 2016 - As a federal tribunal in Buenos Aires announced guilty verdicts in the historic prosecution of eighteen Argentine military officers for participating in the...
May 25, 2016 | Briefing Book
Washington, DC, May 25, 2016 – Today the National Security Archive is publishing – for the first time in English – the diary of Anatoly S. Chernyaev covering the year 1976, along with edits and a...
May 18, 2016 | Briefing Book
Washington D.C., May 18, 2016 - Recently declassified State Department intelligence reports – posted today – illuminate a range of important questions about nuclear weapons in world politics during...