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About FAS 

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The Federation of American Scientists was founded by many of the Manhattan Project scientists who wanted to prevent nuclear war.

Today, FAS experts work on a variety of science and security issues for a safer future.

FAS is devoted to the belief that scientists, engineers, and other technically trained people have the ethical obligation to ensure that the fruits of their intellect and labor benefit humankind.

FAS also is reaching out to the next generation of scientists, engineers and policymakers with projects like the International Science Partnership, the Nuclear Transparency Project, and the new Security Scholars Program. FAS is working to engage young scientists and engineers in important security issues and invites them to voice their opinion on FAS weblogs, FAS social media channels, and in the Public Interest Report (PIR) -- FAS's quarterly science and security magazine.



The Federation of American Scientists educates policymakers, the public, the news media, and the next generation of scientists, engineers, and global leaders about the urgent need for a more secure and safer world.



The Biosecurity Program provides education materials, case studies in dual-use research, threat agent fact sheets, and much more. FAS created an internet resource for biosecurity policy, bioterrorism information, and biodefense research. FAS also manages the Virtual Biosecurity Center, a one-stop-shop for biosecurity news and best practices.  



FAS seeks to increase transparency, accountability and restraint in the legal arms trade; eradicate the illicit arms trade; and to serve as a repository of data on U.S. arms transfers and arms export controls. FAS reports on the arms trade, U.S. arms export policies, and the illicit trade in small arms and light weapons through the publication of reports and articles, media outreach, and public speaking. 



FAS’s Cyber Policy Project is a new initiative due to President Obama’s declaration that the “cyber threat is one of the most serious economic and national security challenges we face as a nation” and that “America's economic prosperity in the 21st century will depend on cybersecurity.”  



The Earth Systems Program develops and promotes sustainable and scientifically sound solutions to energy and environmental challenges. Projects include building technologies, science diplomacy, and energy research.  



The Project on Government Secrecy works to promote public access to government information and to illuminate the apparatus of government secrecy, including national security classification and declassification policies. The project also publishes previously undisclosed or hard-to-find government documents of public policy interest, as well as resources on intelligence policy. The project is directed by Steven Aftergood who publishes Secrecy News.  

learning tech


The Learning Technologies Program (LTP) studies ways to use technology to improve how people teach and learn. Well-paid, rewarding jobs in the U.S. depend on a workforce prepared to operate in a fast-paced, technologically sophisticated global economy. Doing this in an affordable way for a highly diverse population demands new approaches.  



The Nuclear Information Project covers nuclear weapons, arms control and the nuclear fuel cycle. The project provides analysis on the status, number, and operation of nuclear weapons, the policies that guide their potential use and nuclear arms control. Nuclear weapons data is based on official documents, testimonies and previously undisclosed information obtained through the Freedom of Information Act, as well as independent analysis of commercial satellite images.  



The Terrorism Analysis Project (TAP) investigates violent non-state actors and the diversification, diffusion, and adoption of disruptive lethal technologies. TAP strengthens existing national and international counterterrorist and intelligence-gathering measures that predominantly focus on weapon and technology availability, and target vulnerabilities that frequently overlook ideological motivations in their threat-assessment calculations. TAP seeks to better inform policy by illuminating why specific non-state actors seek specific technologies.  






The PIR has a highly targeted subscription of almost 10,000, including U.S. and foreign government officials and diplomats, scientists, university educators, corporate leaders, students, active and retired military personnel, news media, and concerned citizens. The online version available at extends your reach with a monthly audience of about one million unique visitors.  


 No 1 Upsetting the Reset: The Technical Basis of Russian Concern Over NATO Missile Defense

By Yousaf Butt and Theodore Postol

September 2011 - Missile defense is still one issue that enjoys bipartisan support in the U.S. Congress. The proposed defensive system is supposed to contain Iran, while strengthening ties with Russia. Unfortunately, missile defense will instead lead to more nuclear weapons and a more dangerous world. This is a technical assessment of the Phased Adaptive Approach (PAA) missile defense system proposed by NATO and the United States. The report analyzed whether the Russian Federation has a legitimate concern over the proposed NATO-U.S. missile defense system. 


No 2 Towards Enhanced Safeguards for Iran’s Nuclear Program

By Ali Vaez and Charles D. Ferguson

October 2011 - Ali Vaez, director of the FAS Iran Project, and FAS President Charles D. Ferguson co-authored a report on Iran's controversial nuclear program. The report analyzed options for establishing an enhanced safeguards system for the Iranian nuclear program. It is axiomatic that persuading Iran to accept more intrusive inspections is not an easy task. The report offers a set of recommendations for all the key players to reach a negotiated resolution of the nuclear issue.  


 No 3 Non-Strategic Nuclear Weapons

By Hans M. Kristensen

May 2012 - This FAS Special Report comes three weeks before 28 NATO member countries convene in Chicago on May 20-21 to approve the conclusions of a year-long Deterrence and Defense Posture Review (DDPR). Among other issues, the review will determine the number and role of the U.S. non-strategic nuclear weapons deployed in Europe and how NATO might work to reduce its nuclear posture.  



February 8, 2012 - FAS and Washington and Lee University released a report examining the future of nuclear power in the United States. In the wake of the devastating meltdown at the Fukushima Daiichi Nuclear Power Plant in Japan, many Americans are reevaluating the costs and benefits of nuclear energy. Policymakers and the public need more guidance about where nuclear power in the United States appears to be headed in light of the economic hurdles confronting construction of nuclear power plants, aging reactors, and a graying workforce. 


 No 1 Anatomizing Non-State Threats to Pakistan’s Nuclear Infrastructure: The Pakistani Neo-Taliban

By Charles P. Blair

June 2011 - The greatest threat to Pakistan's nuclear infrastructure comes from jihadists both inside Pakistan and South and Central Asia. While there is appreciation of this danger, there are few substantive studies that identify and explore specific groups motivated and potentially capable of acquiring Pakistani nuclear weapons and/or fissile materials. This report fills that gap by exploring the Pakistani Neo-Taliban (PNT) and the groups that fill its ranks.