The end of the treaty would effectively lift the last remaining caps on the two largest atomic arsenals for the first time in decades.

The Chinese foreign ministry said on Thursday that the expiration of the U.S.-Russia arms treaty was regrettable, and urged the U.S. to resume dialogue with Russia on "strategic stability".

Ukraine-Russia war latest: US to restart military dialogue with Moscow after almost five-year suspension - Biden administration suspended high-level military exchanges with Russia late in 2021 as Puti

The US and Russia have agreed to re-establish high-level dialogue between their armed forces.

Hosted by Abu Dhabi, representatives from Russia, Ukraine and the United States sat down for talks on ending the war in Ukraine for the first time.