The Balloon Flies into the Airspace, I Advise You Not to Shoot It Down, Eagle-Chan.

Yu Bei traveled to the Dragon Kingdom in the parallel universe and accidentally obtained all the technological knowledge for the next five hundred years! Dragon Kingdom begins to take off technologically! But it also aroused the vigilance of the beautiful country! In order to successfully develop the seventh-generation aircraft and divert the attention of the beautiful country, Yu Bei made a hot air balloon bomb with a huge yield and placed it in the airspace of the beautiful country! Ever since, in order to prevent the balloons from exploding, the entire beautiful country was forced to launch a balloon defense war! Heavy rain? The B2 stealth bomber plane** acts as an umbrella! A strong wind? Design an airborne windbreaker! Volcanic eruption? Block it even to death! So, despite the wind and rain, the beautiful country finally sent the balloons out of the country! Subsequently, the beautiful country led all Northern Alliance aircraft carrier formations to press the border! At this moment, a giant mechanical hand reached out of the sea and grabbed an aircraft carrier directly in the palm of its hand! In the horrified eyes of the soldiers of the beautiful country, Mechas like tall towers stood out! Long Guo: "It took half a year to make a balloon? I have already made a Gundam!" Sakura Country: "Brother, this balloon is still floating above our heads, no one cares about it? T_T!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.