Army Sgt. Zach Grimm, Okinawa Joint Experience Blue Team student, throws a baseball during the Okinawa Joint Fitness Challenge Sept. 26, 2018, at Kadena Air Base, Japan. During the challenge, baseballs were used to simulate grenades. Teams were deducted points based on the accuracy of their throws.

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Photo credit: © David Wa / Alamy / Afripics
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