Former South Vietnam airborne trooper Thomas Nguyen oversees the float named, “Tổ Quốc Ghi On”. The monument is in honor of the Republic of Vietnam, American Armed Forces, and the people of Quang Tri who made the ultimate sacrifice in the retaking of Quang Tri Citadel in 1972. (Omar Sanchez / Voice of OC) Credit: OMAR SANCHEZ/ Voice of OC