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Explained in plain English

What is Article 5 of NATO?

Article 5 is the cornerstone of NATO, stating that an attack on one member is considered an attack on all. This means if the new ships for Britain and the Netherlands were targeted, all NATO allies would come to their defence. It's a collective security guarantee, ensuring mutual support among members.

Stories that explain this

UK, Netherlands ink £2.4B ship deal for NATO forces

Questions this opens up

When was Article 5 first used? What does collective defence mean? Who are NATO members?

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