Role of the United States in the Vietnam War in PAVN/NLF casualties after which a decisive (or at least political) victory would be possible. It is widely held that the average U.S. serviceman was nineteen years old, as evidenced by the casual reference in a pop song ("19" by Paul Hardcastle); the figure is cited by Lt. Col. Dave Grossman ret. of the Killology Research Group in his 1995 book "" (p. 265). However, it is disputed by the Vietnam Helicopter Flight Crew Network Website, which claims the average age of MOS 11B personnel was 22. This compares with 26 years of age for those who participated in World
Legality of the Vietnam War Legality of the Vietnam War The legality of the Vietnam War refers to the lawfulness of the 1965-1975 U.S. military activity that occurred in Vietnam. The Gulf of Tonkin Resolution, passed in 1964, authorized U.S. President Lyndon B. Johnson to use military force in Southeast Asia. The Resolution was repealed in 1971, however, and President Richard M. Nixon cited his power as commander-in-chief of U.S. forces under as legal authority for operations in Vietnam. No formal declaration of war was ever made, a violation of the US Constitution according to many. Chapter VII of the United Nations Charter prohibits war