Seoul, South Korea  —  North Korea showed off a new hypersonic glide vehicle and intercontinental ballistic missiles (ICBM) at a military parade late Friday, as it marked 80 years of the ruling Workers’ Party of Korea. The Hwasong-11Ma hypersonic weapon and the Hwasong-20 ICBM, which state media called North Korea’s “most powerful nuclear strategic weapons system,” were among an arsenal of North Korean weaponry featured in the overnight parade in Pyongyang’s Kim Il Sung Square. The...