Published May 21, 2026, 11:51 AM EDT

The three-day drills that began Tuesday come amid a surge in Ukrainian drone strikes.

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Published May 21, 2026, 11:51 AM EDT

In this image made from video provided by Russian Defense Ministry Press Service on Thursday, May 21, 2026, A Yars intercontinental ballistic missile is seen during drills of Russia's nuclear forces in Belarus. (Russian Defense Ministry Press Service via AP)