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After treating wounded, sick and injured soldiers in Haiti, Somalia, Columbia and twice in Iraq, an Army medic has applied his skills to the nation's only military maximum-security facility. Master Sgt. Gregorio Villanuevaochoa has been doing such a great job as operations NCO at the U.S. Disciplinary Barracks, Fort Leavenworth, Kan., that he was named the Army's Corrections Professional of the Year.