On June 15, 1944, the United States Pacific Fleet mobilized 470 warships and 2,000 fighter aircraft, as well as two Marine divisions and an infantry division with nearly 70,000 infantrymen. to launch an overwhelming attack on Saipan. According to old experience, the Japanese army arranged its main force at the front of the battlefield to fight with the American army, but was torn to pieces by flying bombs and overwhelming naval artillery. After more than 20 days of bloody fighting, the defenders of Saipan were exhausted, and a large number of Japanese expatriates committed suicide by jumping into the sea in despair. The fall of Saipan means that Japan's absolute defense is broken, and the US B-29 long-range strategic bomber can take off from Saipan, bringing warm greetings to Tokyo. ,Xue Jianqiang said: "Nonsense, this is bulletproof ceramic, can resist kinetic energy of more than 4000 joules, decades later, it will not be easy for a rifle to penetrate! That's right, how are the wounded soldiers now? ?" "