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
Role of the United States in the Vietnam War War II. Soldiers served a one-year tour of duty. The average age of the U.S. military men who died in Vietnam was 22.8 years old. The one-year tour of duty deprived units of experienced leadership. As one observer put it, "we were not in Vietnam for 10 years, but for one year 10 times." As a result, training programs were shortened. Some NCOs were referred to as "Shake 'N' Bake" to highlight their accelerated training. Unlike soldiers in World War II and Korea, there were no secure rear areas in which to get rest and relaxation. One unidentified soldier said