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  1. NATO - Wikipedia

    Founded in the aftermath of World War II, NATO was established with the signing of the North Atlantic Treaty in 1949. The organization serves as a system of collective security, whereby its independent …

  2. North Atlantic Treaty Organization | NATO

    3 days ago · NATO is a defensive alliance of 32 countries from Europe and North America. Its mission is to defend its member countries and their one billion citizens.

  3. What Is NATO? - Council on Foreign Relations

    Jun 24, 2025 · Founded in 1949 as a bulwark against Soviet aggression, the North Atlantic Treaty Organization (NATO) remains, seventy-six years later, the pillar of U.S.-Europe military cooperation.

  4. About NATO - U.S. Mission to the North Atlantic Treaty ...

    Formed in 1949 with the signing of the Washington Treaty, NATO is a security alliance of 32 countries from North America and Europe. NATO’s fundamental goal is to safeguard the Allies’ freedom and …

  5. NATO News | Today's Latest Stories | Reuters

    Dec 24, 2025 · Follow the latest on NATO, including summit coverage, policy and developments across member states. Get comprehensive coverage on Reuters.

  6. NATO - U.S. Department of War

    Dec 6, 2025 · As the U.S. military and its adversaries shift focus to the Arctic, working with partner nations in cold-weather regions to make sure our warfighters can survive those extremes has never …

  7. NATO – DW

    5 days ago · NATO The North Atlantic Treaty Organization was created in 1949, in the wake of World War II.