-Order Astrex Standard Minecart Tri-Missile Array x2
= 6 Minecart Missiles
-"Astray" Forward TNT-Propelled Cannon x2
PS: The world save also include one of my front shield designs that I am too lazy to remove. If you wanna put it on the battleship or use it to test its firepower, or just ignore it altogether, feel free to do so.