Zone Troopers (1985)

American soldiers, guided by The Sarge, find themselves trapped within enemy territory in Italy during World War II. While navigating the countryside, they stumble upon a crashed alien spacecraft. Though the pilot is deceased, an alien passenger has escaped into the woods. As the GIs split into smaller teams to search for the extraterrestrial, they face threats not only from Nazi forces but also from an array of other aliens intent on rescuing their comrade. Tension mounts as the lines between friend and foe blur in this unexpected clash of worlds.