In the Cross-River Battle, I Changed My Offensive and Defensive Posture After Returning to China!

[Technology rejuvenates the country, the three hegemons of sea, land and air, super black technology, the moment you show up, you can beat the enemy into a corner] Traveling back to the eve of the founding of the People's Republic of China, Yang Heng, who was studying abroad, decided to return to China. Awaken the Shenwei supercomputer system, and increase the computing power to unlock the database by binding the national destiny. The database contains the crystallization of all scientific research in Xia State in the 21st century! As Yang Heng continued to unlock the system, the new equipment installed by Xia Guo could no longer be hidden. The battle that shocked the world began, "Nani! What's flying in the sky? Baga! Where did the rockets come from!" "Our army will not surrender! Uh... Unless they shove the tank barrel into my face!" "We are the overlord of the Pacific skies! What? There are fighter jets sending out small pieces of paper in the sky over the capital???"