The Pentagon believes China is planning to significantly increase its stockpile of nuclear weapons by the end of the decade, and is also aiming to integrate all its military capabilities under a broadly configured network by 2027, according to an annual report on Chinese military strength . The study, which follows reports of a significant Chinese hypersonic missile test , estimates Beijing will have at least 1,000 nuclear warheads by 2030. China’s stockpile was previously estimated to be about 200...