A very successful medium caliber antiaircraft gun, but the most talked about is its incomparable anti tank capability. 88mm antiaircraft gun was designed by Krupp company, a world-famous artillery manufacturer, in the early 1920s (there is still a 155mm gun made by Krupp company in Humen Shajiao fort, but it has never played a role. Its first shell is still stuck in the gun bore today). At that time, as a defeated country in the first World War, Germany was also strictly restricted in the development of armaments, so this type of artillery was designed and tested by Krupp subsidiary in Switzerland. The designers of Krupp company foresee that the bomber, as the main combat object of anti-aircraft gun, will fly higher and faster, so they chose 88mm, which was a rare large caliber at that time, and gave the projectile a higher muzzle velocity, which laid the foundation for it to become an effective anti tank weapon in the future. They also designed a fairly sophisticated automatic bomb fe