The world has gone over sixty years without another detonation of a nuclear weapon in warfare.
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India and Pakistan declared themselves nuclear weapon states when they tested atomic bombs in 1998.
He will take every action necessary to ensure that Iran does not acquire a nuclear weapon.
Indeed, the entire world has an interest in preventing Iran from acquiring a nuclear weapon.
All of that is with the goal of preventing Iran from acquiring a nuclear weapon.
Were Iraq to acquire a deliverable nuclear weapon, it would gain a measure of invulnerability.
By contrast, the United States has not introduced a new nuclear weapon in over fifteen years.
The President has made clear that he is committed to preventing Iran from acquiring a nuclear weapon.
There are risks that an Iranian nuclear weapon could fall into the hands of a terrorist organization.
He is also quite clear that he is absolutely committed to preventing Iran from acquiring a nuclear weapon.
President Obama has made clear that it is his policy to prevent Iran from acquiring a nuclear weapon.
This reduced the nuclear weapon stockpiles of Russia and the U.S. for the first time in 20 years.
The U.S. hasn't built a nuclear weapon in more than two decades and the manufacturing infrastructure has disappeared.
In his responses, Hagel adopted a hard line on Iran and its possible pursuit of a nuclear weapon.
The distressing truth is that Obama's aim has never been to prevent Teheran from acquiring a nuclear weapon.
So, again, this administration has expressed a very firm commitment to preventing Iran from acquiring a nuclear weapon.
And the President remains committed to preventing Iran from obtaining a nuclear weapon.
Speaking at Israel's most high profile strategic conference, Defense Minister Shaul Mofaz warned Iran against pursuing a nuclear weapon.
The alloyed material "could not be readily converted to make a nuclear weapon, " said Eastman Kodak spokesman Christopher Veronda.
Their security interests will not be served by possession of a nuclear weapon.
President Obama has said Iran must be stopped from "possessing" a nuclear weapon.
The new report reverses the conclusion of two years ago that Iran was actively working on a nuclear weapon.
Bush also reiterated his call to prevent Iran from having a nuclear weapon.
Nuclear materials that could be sold or stolen and fashioned into a nuclear weapon exist in dozens of nations.
WHITEHOUSE: President Obama at Opening Plenary of Nuclear Security Summit | The White House
For this reason alone, it cannot be permitted to have a nuclear weapon.
Xenon is released whenever uranium is enriched, such as when it is enriched for the core of a nuclear weapon.
And Cheney said he argued against the administration's policy on North Korea, which tested a nuclear weapon in 2006.
CNN: Cheney says Obama's policies 'raise the risk' of U.S. terror attack
One uncertainty is how close Iran is to being able to make a nuclear weapon (an aspiration it vehemently denies).
Analysts say North Korea is years away from being able to accurately deliver a nuclear weapon atop a long-range missile.
When asked if there would "be no nuclear weapon in Iran, ever", Mr Ahmadinejad said his view was already known.
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