The Lost Platoon

They have been soldiers for centuries. They never lose... and they never die.

The name of this movie is The Lost Platoon released in 1990-06-01 and it's main theme is An American reporter covering a civil war in Nicaragua discovers that four soldiers that he used to know during World War II are there and they are actual vampires fighting their own personal war against an evil Nicaraguan general and his own personal army of vampires terrorizing the country..