Nuclear weapons and countering nuclear threats will continue to be a central concern for the United States until we achieve President Obama's vision of a world without nuclear weapons. The President has identified the dual missions of sustaining a safe, secure, and effective nuclear deterrent and countering the threat from nuclear terrorism and nuclear proliferation as among the two most important for U.S. national security. Nuclear Matters serves as the focal point for these missions within the U.S. Department of Defense
“So today, I state clearly and with conviction America's commitment to seek the peace and security of a world without nuclear weapons. This goal will not be reached quickly - perhaps not in my lifetime. It will take patience and persistence. But now we, too, must ignore the voices who tell us that the world cannot change.
First, the United States will take concrete steps toward a world without nuclear weapons.
To put an end to Cold War thinking, we will reduce the role of nuclear weapons in our national security strategy and urge others to do the same. Make no mistake: as long as these weapons exist, we will maintain a safe, secure and effective arsenal to deter any adversary, and guarantee that defense to our allies … ”
President Obama, Prague, April 2009