U.S. Air Force Chief Master Sgt. Heriberto Diaz Jr., Erwin Professional Military Education Center commandant, gives U.S. Soldiers, Sailors, Marines and Airmen a motivational speech after the Okinawa Joint Fitness Challenge Sept. 26, 2018, at Kadena Air Base, Japan. The OJFC was a portion of the OJE that enabled students to bond while overcoming obstacles and challenges faced in the battlefield. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)
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