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Russia, U.S. Adhere to New START Limits
December 2021
Russia and the United States are continuing to adhere to the limits on their strategic nuclear arsenals established by the 2010 New Strategic Arms Reduction Treaty (New START) as the two countries engage in a dialogue on the future of arms control.
Under New START, Moscow and Washington exchange data twice a year to confirm that they are complying with the cap of 1,550 nuclear warheads deployed on 700 intercontinental ballistic missiles (ICBMs), submarine-launched ballistic missiles (SLBMs), and heavy bombers. The treaty also limits deployed and nondeployed heavy bombers and launchers for ICBMs and SLBMs to 800.
As of Sept. 1, the United States has 1,389 warheads deployed on 665 delivery vehicles, while maintaining 800 deployed and nondeployed ICBM and SLBM launchers and heavy bombers. Russia has 1,458 warheads deployed on 527 delivery vehicles, in addition to 742 deployed and nondeployed ICBM and SLBM launchers and heavy bombers.
Since the treaty’s implementation in February 2018, the number of deployed nuclear warheads in each country has fluctuated roughly between 1,300 and 1,450.
This latest data exchange came as the United States and Russia hold discussions within their bilateral strategic stability dialogue on the future of arms control after New START expires in 2026. The two sides last met at the end of September. (See ACT, November 2021.)
The Biden administration’s goal is to hold the third round of the dialogue since the start of the administration by the end of the year.
The dialogue is separate from more formal negotiations on an arms control agreement that could follow New START, but the Biden administration has yet to establish a timeline for transitioning the dialogue into a negotiation with Moscow.
Meanwhile, treaty inspections that had been paused since March 2020 due to the COVID-19 pandemic were scheduled to restart on Nov. 1, according to an October statement from the U.S. Defense Department. Asked for comment by Arms Control Today on Nov. 15, the State Department suggested that inspections have not resumed.
“The United States is currently exploring measures for resuming inspections while mitigating the risks to U.S. and Russian personnel,” said a State Department spokesperson.
The inspections are intended to confirm the information contained in the biannual data exchanges.
—SHANNON BUGOS