Department of Energy
Declassification Decisions

Selected DOE Memoranda of Decisions on Declassification

Declassification of fact that B61 nuclear bomb is deployed to NATO, April 8, 2011

Declassification of fact that commercial inorganic membranes are extruded, August 2, 2010

Declassification of U.S. nuclear stockpile and annual dismantlements, May 6, 2010

Declassification of the total size of the U.S. nuclear stockpile through 2009, April 30, 2010

Declassification of Tactical Ferry Incident of August 29-30, 2007, March 25, 2010

Declassification of fact that beryllium may be present within weapon subassembly, March 18, 2010

Declassification of select U.S. centrifuges operated between 1961 and 1967, October 31, 2008

Declassification of maximum storage capacity of the proposed Consolidated Nuclear Production Center, March 21, 2008

Disposition of additional surplus highly enriched uranium, February 6, 2008

Declassification of fact that thorium metal is used in radiation case of W71 warhead, January 14, 2008

Declassification of the unfinished winding mandrel outer diameter and rotor tube length for the USEC American Centrifuge Program, July 3, 2007

Declassification of fact that Cannikin event was a proof test of the W71 warhead, March 14, 2007

Declassification of fact that a W44 warhead was detonated in the Swordfish shot, March 14, 2007

Declassification of sequence of operations for the Thermal Cycling Absorption Process, March 8, 2007

Changes in classification guidance for the USEC American Centrifuge Program, October 12, 2006

Declassification of fact that PRC obtained design information on the W88 warhead, August 18, 2006

Declassification of aspects of historical radiation warfare programs, August 18, 2006

Declassification of total number of armature permanent magnets procured in the USEC American centrifuge program, June 20, 2006

Declassification of "specific lubricating oil used with the USEC gas centrifuge", June 13, 2006

Declassification of "Design, specifications, or drawings for the column assembly support rod and the support rod (hardware), per se, used in the USEC gas centrifuge and U.S. Gas Centrifuge", June 13, 2006

Declassification of Aluminum alloy and temper used in USEC, Inc. American centrifuge program, March 27, 2006

Updated guidance for USEC American Centrifuge Program, March 17, 2006

Declassification of aggregate total of operationally deployed strategic nuclear warheads, May 2, 2005

Declassification of Equation of State data for monobismuthide compounds of an actinide element, March 8, 2005

Declassification of deployed strategic nuclear warheads as of December 31, 2003, November 10, 2004

Declassification of "optical pumping" in the plutonium AVLIS process, January 15, 2004

Recommendations of the LANL Technical Evaluation Panel, September 17, 2003

Restricted Data Annual Report, 2008-2010, excerpts

Restricted Data Annual Report, 2007, excerpts

Restricted Data Annual Report, 2005-2007, March 21, 2008

Restricted Data Annual Report, 2005-2007, alternate version

2004 Report on Restricted Data Declassification Determinations, July 5, 2005

2003 Report on Restricted Data Declassification Determinations, March 2, 2004

2002 Report on Restricted Data Declassification Determinations, February 20, 2003

Restricted Data Declassification Decisions, 1946 to the Present, Department of Energy, RDD-8, January 1, 2002

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