Operation Delta Force 4: Deep Fault (1999) 1999, Action, Bulgaria, United States Operation Delta Force 4: Deep Fault (1999) Duration: 1H36M Description: A four-men Delta Force team is trying, with the help of a female scientist, to stop a mad terrorist who wants to detonate nukes in order to cause a massive earthquake. The team is out-manned and out-gunned, but has nothing to lose… Trailer ↗ Bulgaria United States 1999 Action
