New START information

New START / СНВ-III
Treaty Between the United States of America and the Russian Federation on Measures for the Further Reduction and Limitation of Strategic Offensive Arms ; ; Договор между Российской Федерацией и Соединёнными Штатами Америки о мерах по дальнейшему сокращению и ограничению стратегических наступательных вооружений
	Presidents Obama and Medvedev shown after signing the Prague Treaty
Type	Strategic nuclear disarmament
Drafted	19 May – 9 November 2009
Signed	8 April 2010
Location	Prague, Czech Republic
Effective	5 February 2011
Condition	Ratification of both parties
Expiration	5 February 2026
Parties	• United States; • Russia;
Languages	English, Russian

New START (Russian abbrev.: СНВ-III, SNV-III from сокращение стратегических наступательных вооружений "reduction of strategic offensive arms") is a nuclear arms reduction treaty between the United States and the Russian Federation with the formal name of Measures for the Further Reduction and Limitation of Strategic Offensive Arms. It was signed on 8 April 2010 in Prague,^[3]^[4] and after ratification^[5]^[6] it entered into force on 5 February 2011.^[1]

New START replaced the Treaty of Moscow (SORT), which was to expire in December 2012. It follows the START I treaty, which expired in December 2009; the proposed START II treaty which never entered into force; and the START III treaty, for which negotiations were never concluded.

The treaty calls for halving the number of strategic nuclear missile launchers. A new inspection and verification regime will be established, replacing the SORT mechanism. It does not limit the number of operationally inactive nuclear warheads that can be stockpiled, a number in the high thousands.^[7]

On 21 February 2023, Russia suspended its participation in New START. However, it did not withdraw from the treaty, and clarified that it would continue to abide by the numerical limits in the treaty.^[8]^[9]^[10]

^ ^a ^b "U.S.-Russia nuclear arms treaty finalized". USA Today. Associated Press. 5 February 2011. Retrieved 5 February 2011.
^ "Putin Says Russia to Suspend New START Nuke Pact Participation". Bloomberg News. 21 February 2023. Retrieved 21 February 2023.
^ Jesse Lee (26 March 2010). "President Obama Announces the New START Treaty, The White House" (Press release). White House. Retrieved 9 April 2010 – via National Archives.
^ "US and Russian leaders hail nuclear arms treaty". BBC News. 8 April 2012. Retrieved 22 August 2012.
^ Fred Weir (26 January 2011). "With Russian ratification of New START, what's next for US-Russia relations?". The Christian Science Monitor. Retrieved 11 September 2011.
^ "Medvedev signs law ratifying Russia–U.S. arms pact". Reuters. 28 January 2011. Archived from the original on 14 August 2012.
^ Baker, Peter (26 March 2010). "Twists and Turns on Way to Arms Pact With Russia". The New York Times. Retrieved 9 April 2010.
^ "Putin Says Moscow Suspending Participation in New START Nuclear Treaty". Barrons. Agence France Presse. 21 February 2023. Retrieved 21 February 2023.
^ "Putin defends Ukraine invasion, warns West in address". NHK World. Retrieved 21 February 2023.
^ "The last US-Russia arms control treaty is in big trouble", Jen Kirby, Vox, 25 February 2023.

Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).

[USA_Today/The_Associated_Press-1] "U.S.-Russia nuclear arms treaty finalized". USA Today. Associated Press. 5 February 2011. Retrieved 5 February 2011.

[3] "Putin Says Russia to Suspend New START Nuke Pact Participation". Bloomberg News. 21 February 2023. Retrieved 21 February 2023.

[Lee-5] Jesse Lee (26 March 2010). "President Obama Announces the New START Treaty, The White House" (Press release). White House. Retrieved 9 April 2010 – via National Archives.

[6] "US and Russian leaders hail nuclear arms treaty". BBC News. 8 April 2012. Retrieved 22 August 2012.

[csmonitor.com-7] Fred Weir (26 January 2011). "With Russian ratification of New START, what's next for US-Russia relations?". The Christian Science Monitor. Retrieved 11 September 2011.

[af.reuters.com-8] "Medvedev signs law ratifying Russia–U.S. arms pact". Reuters. 28 January 2011. Archived from the original on 14 August 2012.

[9] Baker, Peter (26 March 2010). "Twists and Turns on Way to Arms Pact With Russia". The New York Times. Retrieved 9 April 2010.

[230221_suspension_barrons-10] "Putin Says Moscow Suspending Participation in New START Nuclear Treaty". Barrons. Agence France Presse. 21 February 2023. Retrieved 21 February 2023.

[230221_suspension_nhk-11] "Putin defends Ukraine invasion, warns West in address". NHK World. Retrieved 21 February 2023.

[12] "The last US-Russia arms control treaty is in big trouble", Jen Kirby, Vox, 25 February 2023.

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