Divya Delhi: Kim Jong Un inspected a big military parade with an Intercontinental Ballistic Missile for the Workers' Party's 80th anniversary in North Korea. KCNA said that Chinese, Russian, and Vietnamese leaders attended.North Korean state media called the Hwasong-11Ma hypersonic missile and Hwasong-20 ICBM their “most powerful nuclear weapons.” The parade took place in Kim Il Sung Square.State media called the Hwasong-20 intercontinental ballistic missile its “strongest nuclear strategic weapon system.” It was displayed during the military parade.Hwasong ballistic missiles, designed to hit the mainland US, give North Korea an advantage. However, its navigation system and target accuracy have been questioned.CNN reported online photos and images of soldiers marching, massive missile launchers rolling through the streets, and crowds cheering under bright lights. North Korea held its first major military demonstration in two years.A month earlier, Kim Jong Un joined Chinese President Xi Jinping and Russian President Vladimir Putin at a military display in Beijing. This visit boosted North Korea's relations with China and Russia.The recently displayed Hwasong-11Ma can reverse course and fly at hypersonic speed, more than five times the speed of sound, making it tough for defense systems to stop.