Newsweek:

The U.S. and Japan have kicked off computer-based naval drills focused on ballistic missiles defense days after Chinese vessels entered Japanese waters near a disputed island chain, raising tensions in East Asia as President Joe Biden works to create unified China and North Korea strategies with regional American allies.

The U.S. 7th Fleet, headquartered in Japan and responsible for operations in East Asia, announced on Monday that the Resilient Shield 2021 exercises would run from February 22 to February 26 at more than 77 American and Japanese command centers.

The annual computer-based drill is designed to test joint tactics used to face regional threats—the most pressing of which are China and North Korea—and ensure that both American and Japanese forces are “well-rehearsed,” in them, a fleet statement said.

“Resilient Shield serves to enhance cooperation and further integrate the unmatched missile defense capabilities of Japan and the United States,” said Captain Leslie Sobol, the director of the fleet’s Task Force Integrated Air and Missile Defense…

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