Partnership Against the Spread of Weapons and Materials of Mass Destruction Russia and weapons of mass destruction References Based on information found at Senator Richard G. Lugar's website on the Nunn–Lugar Program . External links Space Clipper at Federation of American Scientists, Space Policy Project, World Space Guide Kenneth Luongo and William Hoehn, "An ounce of prevention", Bulletin of the Atomic Scientists, March/April 2005. Discusses disagreements between U.S. and Russian officials, which the authors argue is undermining cooperative threat reduction programs. Arms control Nuclear proliferation United States Department of Defense Defense Threat Reduction Agency