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Sgt. Maj. Mario P. Fields, sergeant major of III Marine Expeditionary Force Information Group, smiles during his post and relief ceremony on Nov. 2, 2017 at Camp Hansen, Okinawa, Japan. Fields relinquished his post to Sgt. Maj. Michael J. West, who was the former sergeant major of 7th Communication Battalion, III MEF. Fields will continue his service at Wounded Warrior Battalion in Camp Pendleton, California.