“The USMC was no longer in VN in 1973.”
Do your homework.
Hmmm. Embassy withdrawal in ‘75. Seems like one or two devildogs in the mix there as I recall.
Allied Troop Levels - Vietnam
Year American 1964 23,300 1965 184,300 1966 385,300 1967 536,100 1968 475,200 1970 334,600 1971 156,800 1972 24,200 1973 50americanwarlibrary.com
The last combat troops were gone in 1972 and the last combat operations ended even earlier - with the USMC leaving before the Army.