City: Start with a Super Battleship

Xue Lin merged a super battleship crystallized with prehistoric technology and returned to his eighteenth year. At this time, it was eight years before the alien civilization's colonial fleet arrived at Blue Star, and the top leaders of the Eagle Kingdom were ready to rape. In order to prevent Blue Star from falling and human civilization to be destroyed again, Xue Lin started on the road to becoming stronger. Build an undersea base, build a robot army, create your own power, sell advanced weapons and equipment beyond this era, and stimulate the development and update of global armaments. When the time is right, a huge fleet will sail from the deep sea to the stars, build a lunar defense system, a Mars super arsenal, and start the great development of the inner galaxy! Prepare to meet foreign enemies! A few years later, Xue Lin stood on the starship, facing Blue Star, and started a live broadcast to all mankind: "I am the commander-in-chief of the third theater of the Haotian civilization. Now I declare that the solar system will be assigned to the frontline battlefield of the third theater. Insignificant human civilization, fight for your freedom!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.