• North Korea developed an advanced missile capable of disabling US air defenses.
• The missile features a hypersonic glide vehicle and low-altitude trajectory.
• China views this development as a strategic advantage against the US.
• The new weapon may disrupt US military capabilities in the region.

This development may indicate a shift in the regional balance of power, with North Korea's new missile capability potentially undermining US defense systems in Asia. China's tacit acceptance of North Korea's nuclear and missile programs suggests a growing alignment of interests between the two nations, which could have significant implications for the US and its allies in the region.