. >> before he died five years ago, billionaire jack littlefield had collected vehicl vehicles worlded by the enemy and used against the country who built it. the german pan therunder went restoration after being in the bottom of the polish river. many of the tanks are one of a kind and impossible to see without an appointment and that is about to change. >> on a private ranch outside of san francisco. these relics have not been seen and lost forever if not for jack littlefield. >> he observed in the end of the cold war, it was a unique time in history to preserve these. they are turned in to other armament. >> this summer, 80 of the tanks will be on the move to a foundation aviation museum outside of boston and they will not just be on display, they will reenact battles and engage a new generation of americans. >> it is so much more to see than vehicle in motion to feel the earth shake underneath your feet than to just see it sit nothing a museum. >> the rest of the rolling armor. 130 tanks will be auctioned off. expect to pay 10,000 to more than a million dollars for one of these i