New Strategic Arms Reduction Treaty (New START) (2010)

Summary

Bilateral agreement between the U.S. and Russia. Under the Treaty, the U.S. and Russia will be limited to significantly fewer strategic arms within seven years from the date the Treaty enters into force. Each Party has the flexibility to determine for itself the structure of its strategic forces within the aggregate limits of the Treaty.

Aggregate limits:

  • 1,550 warheads. Warheads on deployed ICBMs and deployed SLBMs count toward this limit and each deployed heavy bomber equipped for nuclear armaments counts as one warhead toward this limit. This limit is 74% lower than the limit of the 1991 START Treaty and 30% lower than the deployed strategic warhead limit of the 2002 Moscow Treaty.
  • A combined limit of 800 deployed and non-deployed ICBM launchers, SLBM launchers, and heavy bombers equipped for nuclear armaments.
  • A separate limit of 700 deployed ICBMs, deployed SLBMs, and deployed heavy bombers equipped for nuclear armaments. This limit is less than half the corresponding strategic nuclear delivery vehicle limit of the START Treaty.

Verification and Transparency: The Treaty has a verification regime that combines the appropriate elements of the 1991 START Treaty with new elements tailored to the limitations of the Treaty. Measures under the Treaty include on-site inspections and exhibitions, data exchanges and notifications related to strategic offensive arms and facilities covered by the Treaty, and provisions to facilitate the use of national technical means for treaty monitoring. To increase confidence and transparency, the Treaty also provides for the exchange of telemetry.

Treaty Terms: The Treaty's duration will be ten years, unless superseded by a subsequent agreement.The Parties may agree to extend the Treaty for a period of no more than five years. The Treaty includes a withdrawal clause that is standard in arms control agreements. The 2002 Moscow Treaty terminates upon entry into force of the New START Treaty. The U.S. Senate and the Russian legislature must approve the Treaty before it can enter into force.

No Constraints on Missile Defense and Conventional Strike: The Treaty does not contain any constraints on testing, development or deployment of current or planned U.S. missile defense programs or current or planned United States long-range conventional strike capabilities.

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