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What warhead limits did the Strategic Offensive Reductions Treaty set?

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The Strategic Offensive Reductions Treaty (SORT), also known as the Moscow Treaty, set a limit for both the United States and Russia to reduce their strategic nuclear warheads to between 1,700 and 2,200 by December 31, 2012.1

Unlike previous agreements, this treaty did not require the actual elimination of delivery systems, and it permitted nondeployed warheads to be stored rather than destroyed. For verification, the treaty relied on the mechanisms previously established in the START I agreement.1