You start with an Iowa battleship, and its equipment is all generated by the system. Fire control relies on radar, command relies on words, and the protagonist's historical knowledge comes from late-night forums in the university dormitory. Facing the huge fleet in this era, Jiang Yuanchao said: Although I didn't even pass the driver's license test, I don't need a driver's license to drive a battleship. With the system in hand, I own the world, the caliber is justice, the range is truth - with one shot, any enemy will be wiped out...