An unstoppable force is about to meet an immovable object as tough LA cop Frank 'Bulletproof' McBain embarks on a dangerous mission to retrieve a top secret attack vehicle. The vehicle code named Thunderblast can withstand the impact of just about any weapon imaginable. Cuban Libayan and Russian terrorists plan to seize the much coveted battle machine at a Mexican village near the Texan border. A convoy led by the beautiful Lt. Devon Shepard is escorting Thunderblast when it is amb