And Kazakhstan 20 years ago was the first country to close its nuclear test site -- in Semipalatinsk we voluntarily renounced our nuclear arsenal.

WHITEHOUSE: President Obama��s Bilateral Meeting with President Nazarbayev of Kazakhstan | The White House

States to close its nuclear test site in Nevada.

CENTERFORSECURITYPOLICY: Center for Security Policy | U.S. Deterrent ��Unplugged��: The Denuclearizers�� Already Far- Advanced Agenda Is A Formula For Unilateral Disarmament

Russian nuclear test site at Novaya Zemlya.

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It has been 10 years this week since the last U.S. nuclear test shook the ground at the Nevada Test Site.

CENTERFORSECURITYPOLICY: Center For Security Policy