US servicemen returning home from Vietnam were treated with hostility, discrimination, and rejection.
2,555 US Sailors were killed in the Viet War.
Over 58,000 US Servicemen were killed in the Vietnam War.
If your question is about the youngest US Servicemen killed in Vietnam; See: Statistics About the Vietnam War (on line); Recommended by the History Channel.
About 38,209 US soldiers were killed in Vietnam. The other dead 20,000 men were Airmen, Marines, and Sailors.
SEE: Vietnam Veterans Memorial Wall, and Statistics About the Vietnam War (Recommended by the History Channel).
58,220 (est) .
Over 2,000 US helicopter crewmen were KIA in the Vietnam War.
About 25,000 US servicemen 20 and younger were killed in Vietnam.
About 1,492,846 on both sides of the conflict including 58,220 from the US.
The official number seems to be 58,282.
Roughly a million Vietnamese were killed in the war.