U.S. Marine Corps Cpl. Sean Nguyen completes a maximum repetition on bench squat. - U.S. Marine Corps Cpl. Sean Nguyen, a supply and fiscal noncommissioned officer with Marine Wing Support Squadron (MWSS) 271, competed in the 2021 USPA Drug Tested Feeding Frenzy, a national qualifying powerlifting competition held by the United States Powerlifting Association, a premier powerlifting federation.