The MAC II's main guns are explicitly 16-inchers, a la WW2 battleship cannons. By BT standards they're super-artillery. (Even a Long Tom is only a 6-incher. A 16-inch shell is a lot more than twice as big as a 6-inch shell.)
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Sucrose Octanitrate.
Proof positive that with sufficient motivation, you can make anything explode.
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Sucrose Octanitrate.
Proof positive that with sufficient motivation, you can make anything explode.