38,209 US Soldiers were killed in Vietnam. The remaining 20,000 men were Marines, Sailors, and Airmen.
The Vietnam Conflict resulted in an estimated 58,000 US casualties.See the link:
The only American soldiers in Vietnam today are those assigned to embassy or consulate guard duties, and forensics teams searching crash sites, etc. for the remains of U.S. military members killed...
Over 58,000 US servicemen, and approximately 600 Australian servicemen were killed in the Vietnam War.
58,220 dead; 1,719 missing; 303,635 wounded - Wikipedia
Over 1,900 US servicemen were MIA/POW.