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
1963 in the Vietnam War Delta, had devised tactics to combat American helicopters and armored vehicles. U.S. Military Assistance Command, Vietnam (MACV) Commander General Paul D. Harkins declared the battle a victory for ARVN because the Viet Cong had abandoned the battlefield. American adviser Lt. Col. John Paul Vann who observed and directed the battle from a small airplane, called it a "miserable damn performance" by ARVN because the Viet Cong escaped after inflicting heavy casualties on the South Vietnamese. State Department officer Roger Hilsman, who had counterinsurgency experience in World War II, said after a visit to Vietnam that "things are going much better