The NATO flag, left, is raised next to the Swedish flag during a ceremony at the Musko navy base Stockholm, Monday, March 11, 2024. Sweden’s national flag has been raised at NATO headquarters ...

With Finland now in the mix, NATO’s border with Russia doubles to over 1,600 miles, complicating any future Russian aggression — and putting one more border state off-limits.

The NATO flag, left, is raised next to the Swedish flag during a ceremony at the Musko navy base Stockholm, Monday, March 11, 2024. Sweden's national flag has been raised at NATO headquarters in ...

Sweden's national flag has been raised at NATO headquarters in Norfolk, Virginia, and in Brussels, Belgium to cement the Nordic country's place as the 32nd member.

"The era of nonalignment in our history has come to an end — a new era begins," President Sauli Niinistö said before his country's blue-and-white flag was raised outside NATO headquarters.

The NATO flag, left, is raised next to the Swedish flag during a ceremony at the Musko navy base Stockholm, Monday, March 11, 2024. Sweden’s national flag has been raised at NATO headquarters in ...

Sweden’s flag was raised at NATO headquarters on Monday, cementing the Nordic country’s place as the 32nd member two years after Russia’s full-scale invasion of Ukraine persuaded its ...