 Staff Sergeant Ambrosio Guillen (1929–1953) was posthumously awarded the Medal of Honor two days before the Armistice.He was responsible for turning an overwhelming enemy attack into a disorderly retreat.Guillen, who was assigned to Company F, 2nd Battalion, 7th Marines, 1st Marine Division (Reinforced), participated in the defense of an outpost forward of the main line of resistance on July 25, 1953.