Amerinda Est

The plot concerns a small group of people who are forced to flee from their base (which happens to be a Mission) in an old school bus when the VC launch a vicious assault upon it. Along the way they are joined by a group of three battle hardened American Special Forces soldiers and together they desperately fight to make it to safety.

The story in short: Some kind of evil people, have found out a way to extract bodily fluids from the base of the brain of unsuspecting victims. This fluid is then used for some reason or another. A couple of western heroes have to stop this in true 80's action style, big explosions and violence ensue.