Officer Isaac Rosario, a police officer with Marine Corps Air Station Yuma’s Provost Marshal’s Office and a native of Yonkers, N.Y., handcuffs a suspect after breaking up a fight between two combatants during fight dispersion training at MCAS Yuma, March 26. This training serves to prepare officers should they need to confront a combative suspect. - Officer Isaac Rosario, a police officer with Marine Corps Air Station Yuma’s Provost Marshal’s Office and a native of Yonkers, N.Y., handcuffs a suspect after breaking up a fight between two combatants during fight dispersion training at MCAS Yuma, March 26. This training serves to prepare officers should they need to confront a combative suspect.