Science and Technology
Jul 21, 2011 | Briefing Book br>
Washington, D.C., July 21, 2011 – In 2005, U.S. intelligence agencies monitoring Chinese research into high-power microwave (HPM) and electromagnetic pulse (EMP) radiation speculated that Beijing might be trying to develop a capability to incapacitate Taiwan electronically without triggering a U.S. nuclear retaliation, according to documents published in a major new National Security Archive collection. In recent years, China’s development of an assortment of conventional and nuclear weapons has regularly attracted the interest and concern of U.S.
Apr 29, 2010 | Briefing Book br>
Washington, D.C., April 29, 2010 - Previously unpublished documents from inside the Kremlin shed new light on how Soviet and American scientists breached the walls of Soviet military secrecy in the final years of the Cold War. The documents were first disclosed in a new book by by David E. Hoffman, The Dead Hand: The Untold Story of the Cold War Arms Race and Its Dangerous Legacy. The book was awarded the 2010 Pulitzer Prize for general non-fiction. The documents are being posted today in English translation by the National Security Archive.
Nov 9, 2007 | Briefing Book br>
Washington D.C., January 8, 2013 - As the United States prepares to transition this month from Cold War-era missile detection programs to a more sophisticated infrared platform, recently declassified documents published by the National Security Archive take a fresh look at the history of the U.S. space-based early warning program. The new materials flesh out critical details about the progress and problems associated with the new "SBIRS" program, which is about to become operational.
Nov 9, 2007 | Briefing Book br>
Washington D.C., November 9, 2007 - In anticipation of the planned launch of the final Defense Support Program (DSP) satellite tomorrow evening, which was originally scheduled to be orbited in October 2005, the National Security Archive has posted on the Web a collection of declassified documents tracing the history of the program from its roots as Subsystem G of WS-117L in 1957. At that time the U.S. began seriously planning to deploy satellites that would detect the infrared signals emitted by intercontinental ballistic missiles in order to provide warning of a Soviet missile attack.
Oct 1, 2007 | Briefing Book br>
Washington, DC, October 1, 2007 - Today the National Security Archive publishes a collection of documents concerning U.S. policy with regard to acknowledging the “fact of” U.S. satellite reconnaissance operations – particularly satellite photoreconnaissance. It was 29 years ago today that President Jimmy Carter, in a speech at the Kennedy Space Center, acknowledged that the U.S. was operating photoreconnaissance satellites. As the documents illustrate, the perceived need to persuade segments of the public that the U.S.
Sep 14, 2007 | Briefing Book br>
Update - Washington, D.C., April 11, 2008 – The policy debate over using U.S. reconnaissance satellites to obtain imagery of targets in the United States dates back to the earliest days of spy satellites, according to an updated collection of declassified documents published today by the National Security Archive at George Washington University (www.nsarchive.org). Obtained and edited by Archive senior fellow Dr.
Jul 13, 2007 | Briefing Book br>
Washington D.C., July 13, 2007 - Throughout the 1960s and most of the 1970s, while the U.S. government conducted its space reconnaissance program under a veil of absolute secrecy, officials debated whether information about the program (including the "fact of" its existence and certain photographs) should be disclosed to other elements of the government, public, allies, and even the Soviet Union, according to documents obtained through the Freedom of Information Act and archival research and posted today by the National Security Archive.
May 5, 2006 | Briefing Book br>
Washington, DC, May 5, 2006 - Many U.S. government officials and scientists disagreed with the findings of a presidential panel that the double flash signal picked up by a U.S. nuclear detonation detection satellite (Vela 6911) in late September 1979 was possibly not a nuclear test, according to a number of studies posted today by the National Security Archive. The signal appeared to come from a 3,000 mile area that included the South Atlantic, Indian Ocean, tip of Africa, and part of Antarctica.
Mar 28, 2006 | Briefing Book br>
Washington, DC, March 28, 2006 - The Central Intelligence Agency and National Reconnaissance Office used the nation's spy satellites and spy planes to obtain high-resolution images of the nuclear facilities of allies, adversaries and neutral nations alike, as illustrated in a collection of overhead reconnaissance images posted on the Web today by the National Security Archive. Today's posting includes 15 photographs and five photographic interpretation reports from the 1950s, 1960s, and 1970s. The images were obtained by U-2 spy planes and CORONA and KH-7 reconnaissance satellites.
Dec 14, 2004 | Briefing Book br>
Washington, D.C., December 14: Front page stories in The Washington Post ("New Spy Satellite Debated on Hill," Dec. 11, 2004) and The New York Times ("New Spy Plan Said to Involve Satellite System," Dec. 12, 2004) describe a secret satellite program that the Senate intelligence committee has voted to cancel but survives in the current intelligence budget due to strong support from the House and Senate appropriations committees and the House intelligence committee. Senator John D.