19 (song) shoved into jungles and shot at." The title "19" comes from the documentary's claim that the average age of an American combat soldier in the war was 19, as compared to World War II's 26. This claim has since been disputed. Undisputed statistics do not exist, although Southeast Asia Combat Area Casualties Current File (CACCF), the source for the Vietnam Veterans Memorial, shows a large number of deaths (38%) were ages 19 or 20. According to the same source, 23 is the average age at time of death (or time of declaration of death). The song also comments that while
1972 in the Vietnam War the number of air raids against North Vietnam during all of 1971. Prime Minister Lon Nol declared President of Cambodia. Unlike the former Cambodian leader, Norodom Sihanouk, Lon Nol was a U.S. ally. The U.S. 101st Airborne Division left South Vietnam, the last U.S. ground combat division to be withdrawn from South Vietnam. The Khmer Rouge bombarded with artillery Phnom Penh, the capital city of Cambodia, killing more than 100 civilians. This was the heaviest attack on Phnom Penh since the Cambodian Civil War began in 1970. The United States boycotted peace negotiations in Paris with the North Vietnamese, citing