Military Industry: on the Eve of the Disaster, I Activated Nantianmen

Thanks to the unremitting efforts of countless scientists, mankind finally received a response from alien civilization. But what ushered in was war and destruction. Fortunately, Shen Mu awakened the system five years in advance and foresaw the alien invasion plan. Started crazily researching advanced technological weapons in school. Subject Director: "I asked you to study the lightweight issue of artillery, and you build me a bolter?" Shen Mu: "Just tell me, it's light or not." Senior sister from the same period: "You call this a bulletproof vest?" Shen Mu put on the kinetic armor: "Here, let you use Barrett, and I will count you as the winner even if the paint is knocked off." Principal: "But your fighter plane, why doesn't it have wings?" Shen Mu: "In the universe, wings are redundant." When the interstellar disaster officially comes five years later. Countless interstellar battleships set sail, quantum cannons were activated, and gravity cannons began to charge. Sakura Country: "Why can the Dragon Country predict disasters in advance? Is it because it has communicated with aliens?" Shen Mu: "To deal with foreign affairs, we must first settle the domestic affairs. This sentence is correct at some point." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.