43min - Winning a prestigious award motivates Mike and Geoff to build a mini-tank to test against high caliber weapons.
43min - The Howe twins build an all-terrain vehicle to drive in coal mine tunnels but they miss their deadline which could cancel the contract.
43min - The US Army requests that the Howe twins make improvements to their most iconic tanks called Ripsaws by converting one of them into an unmanned version.
43min - The Howe twins design a smaller version of their famous Ripsaw tank which they'll debut at a motor-sports event in New Hampshire.
43min - Geoff is focused on designing an amphibious concept vehicle which distracts him from the core business and strains his relationship with his twin brother.
43min - A SWAT team requests a test of the smallest armored tank in the world called the Badger.
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7.8
7.8
