#New START Treaty

In a seismic shift in global security, the New START Treaty, the last remaining arms control agreement limiting the nuclear arsenals of the United States and Russia, officially expired on February 5, 2026. This monumental event was followed by President Donald Trump's unequivocal rejection of Russian President Vladimir Putin's proposal to voluntarily extend nuclear limits, thrusting the world into an unprecedented era without legally binding constraints on the two largest nuclear powers.