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 …

4 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.

4 days ago · NATO is built on the principle that an attack on any one of its ranks must be considered an attack on them all — the collective security guarantee enshrined in Article 5 of the treaty.

1 day ago · NATO is a military alliance that, at its establishment in 1949, sought to create a counterweight to Soviet armies stationed in central and eastern Europe after World War II. It was …

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 …

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 …

May 17, 2012 · 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.

2 days ago · The treaty that created NATO did not contemplate an attack by one ally on another. A seizure of Greenland by President Trump would test the endurance of the mutual-defense pact.

Jul 12, 2024 · Here’s everything you need to know about the history, membership and structure of NATO.

14 hours ago · TIME spoke to legal experts about whether Trump could legally pull the U.S. out of NATO and the wider implications.