Quote Originally Posted by Averageman View Post
Just as a guess was it Darren McGavin in the role as the US GI?

https://www.imdb.com/title/tt0065534/

Gallery, a U.S. commando, and Yuro, an enemy commando, are sent to a no man's Pacific jungle island to capture a crashed U.S. space satellite. Whoever survives, wins. Their nations have agreed to this to avoid war, but they cheat.
Bingo, that's it. I was wrong about it being WWII, more of a Vietnam era. Thanks, it was driving me nuts.