Is it a tank that floats like a boat, or a boat that shoots like a tank? Indonesia’s new Antasena Tank Boat just might be both. You love badass military vehicles. So do we. Let’s nerd out over them ...

Aluminum fuel tanks can corrode in a marine environment, though much depends on how well they are protected belowdecks from salt water. Shielded from briny water, tanks can last forever, but on some ...