US Mission Geneva

The chief U.S. arms control official has called on former Cold War adversaries to continue cooperating to improve the effectiveness of military observation flights over each other’s territory to minimize the chance of triggering an accidental war.

Since the announcement of establishing the U.S.-Japan Nuclear Security Working Group at the U.S.-Japan Summit meeting in 2010, this Group has successfully fulfilled its responsibility to identify and coordinate tangible outcomes for the 2012 Nuclear Security Summit.

U.S. Special Envoy Ellen Tauscher says considerable progress has been made in implementing a four-phase European missile defense shield over the past year.

Nuclear terrorism is one of the most serious and urgent threats to global security, with the danger that civilians and popular locations can be targeted with some nuclear devices that could kill hundreds of thousands of people.

The United States will continue to do our part — securing our own material and helping others protect theirs. We’re moving forward with Russia to eliminate enough plutonium for about 17,000 nuclear weapons and turn it instead into electricity.

Without swift and serious progress to resolve the international community’s doubts about Iran’s nuclear program, there will be further instability in an already tense region.

The goal of United States Government’s nuclear security programs is the prevention of the illegal possession, use or transfer of nuclear material or other radioactive material

President Obama will discuss his ongoing commitment to nuclear nonproliferation and efforts to prevent nuclear weapons from falling into the hands of terrorists or criminal organizations.

The U.S. has a three-tiered strategy to lock down or remove vulnerable nuclear materials. First at the site level, second at the country level, and third at the global level.