Why in News?
The New START Treaty expired on February 5, 2026, ending the last major nuclear arms control pact between the United States and Russia.
This has raised serious concerns about global nuclear stability and arms race risks.
New START Treaty
New START was a nuclear arms reduction treaty between the United States and Russia with the formal name of Measures for the Further Reduction and Limitation of Strategic Offensive Arms.
Treaty Expiry:
- Officially expired on February 5, 2026
Signed:
- In 2010, came into force in 2011
Duration:
- Initially 10 years → Extended till 2026
Key Provisions:
- Limited:
- Deployed nuclear warheads
- Strategic delivery systems (ICBMs, SLBMs, bombers)
Significance:
- Last remaining bilateral nuclear arms control treaty between US and Russia
