Sweden joined NATO in Washington on Thursday, two years after Russia's invasion of Ukraine forced it to rethink its national security policy and conclude that support for the alliance was the Scandinavian nation's best guarantee of safety.

Sweden joins NATO as war in Ukraine prompts security rethink

Sweden officially joined the North Atlantic Treaty Organization on Thursday. Sweden is now a NATO member State making it the newest member of the military Alliance. Watch to know more!

Sweden officially joins NATO after completing its accession | This ends Sweden's neutrality stand

On Thursday, Sweden formally joined NATO in Washington, two years after the Russian invasion of Ukraine prompted a reevaluation of the country's national security strategy and the realization that membership in the alliance offered the greatest assurance of protection for the Scandinavian nation.

Sweden's NATO accession ends era of go-it-alone security