U.S. Marine Corps veteran Nathan McCormack competes in the 2020 Marine Corps Trials cycling competition at Marine Corps Base Camp Pendleton, Calif., March 8. The Marine Corps Trials promotes recovery and rehabilitation through adaptive sports participation and develops camaraderie among recovering service members. (U.S. Marine Corps photo by Lance Cpl. Dylon Grasso) - U.S. Marine Corps veteran Nathan McCormack competes in the 2020 Marine Corps Trials cycling competition at Marine Corps Base Camp Pendleton, Calif., March 8. The Marine Corps Trials promotes recovery and rehabilitation through adaptive sports participation and develops camaraderie among recovering service members. (U.S. Marine Corps photo by Lance Cpl. Dylon Grasso)