The United States and Japan wrapped up seven days of joint military exercises Friday, as tensions simmered on the Korean peninsula.
About 40,000 U.S. service members and Japanese military personnel took part in the exercises that the U.S. Air Force called the largest joint, bilateral field training exercise between the two nations. It was the 10th such exercise since 1986.
The "Keen Sword" drills took place on military sites in Okinawa, mainland Japan and the waters surrounding it, according to officials.
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