Strike Commando

In the Vietnam war, an American soldier survives a botched mission, with help from a group of locals who perceive him as a hero. He's sent back for a reconnaissance mission, only to find his helpers massacred by a brutal Russian soldier.

Strike Commando is a 1987 adventure war movie directed by Bruno Mattei, starring Alex Vitale, Christopher Connelly, Reb Brown. It holds an IMDb rating of 5.1/10 from 1,308 votes and runs 1h 44m.