Captain Arthur J. Jackson (born October 18, 1924) is a United States Marine who received the Medal of Honor for his actions on Peleliu during World War II. PFC Jackson single-handedly destroyed 12 enemy pillboxes and killed 50 enemy soldiers. On September 30, 1961, while serving at the Guantanamo Bay Naval Base, after a drinking bout where he consumed at least 6 martinis, Jackson fatally shot Rubén López Sabariego, a Cuban worker at Guantanamo, and unsuccessfully attempted to hide his body in a shallow grave.