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WASHINGTON, D.C. — As of midnight on February 5, 2026, the world has entered a new and volatile era of global security. The New Strategic Arms Reduction Treaty (New START)—the last remaining pact limiting the world’s two largest nuclear arsenals—has officially expired without a replacement.
For the first time in over half a century, there are no legally binding, verifiable limits on the number of nuclear warheads the United States and Russia can deploy.
1. The Immediate Fallout: "A Grave Moment"
UN Secretary-General António Guterres warned today that this represents a "grave moment for international peace." With the treaty gone, the rigorous on-site inspections and 24/7 data-sharing that prevented a cold-war style build-up have ceased.
Russia's Stance: The Kremlin announced it is "no longer bound" by the treaty's 1,550 warhead cap but claims it will act "responsibly" for now.
The US Response: President Trump has signaled he is not concerned by the lapse, stating his administration is seeking a "stronger, trilateral deal" that must include China’s rapidly growing arsenal.
2. The "Nuclear Triad" Modernization
With limits removed, the Pentagon is expected to pivot billions in funding toward the U.S. Nuclear Triad. This has immediate implications for the defense sector:
Northrop Grumman (NOC) is accelerating the B-21 Raider stealth bomber.
Lockheed Martin (LMT) is ramping up R&D for hypersonic missile defense.
General Dynamics (GD) is under pressure to fast-track the Columbia-class ballistic submarine.
3. Impact on Global Markets
The expiration has sent ripples through the commodities market. As geopolitical tension spikes, Gold futures saw a flight-to-safety bump early this morning, while defense stocks are expected to lead the S&P 500 in volume today.
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