Shadow Tracker: Vampire Hunter (1999)

Only one man could hunt them... Only one man could find them... Only one man could destroy them...

While serving their tour in Vietnam, two soldiers are attacked by a vampire. One gets bitten and becomes a vampire himself. The other must become the SHADOW TRACKER and end his friend's thirst for blood, taking a final stand against the swiftly growing force of demonic undead in a small American town.