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Lance Cpl. Ryan Koernr, right, explains the rules to wrestlers during the Okinawa Open Championship May 13 on Marine Corps Air Station Futenma, Okinawa, Japan. The Okinawa Open Championship is the largest youth wrestling tournament in Okinawa. Each league practices with a different fighting style: folk and freestyle. Lumpkin volunteers as a referee for the Gladiator Wrestling League. (U.S Marine photo by Lance Corporal Tayler P. Schwamb) - Lance Cpl. Ryan Koernr, right, explains the rules to wrestlers during the Okinawa Open Championship May 13 on Marine Corps Air Station Futenma, Okinawa, Japan. The Okinawa Open Championship is the largest youth wrestling tournament in Okinawa. Each league practices with a different fighting style: folk and freestyle. Lumpkin volunteers as a referee for the Gladiator Wrestling League. (U.S Marine photo by Lance Corporal Tayler P. Schwamb)