The hypersonic dream engine is believed to be the solution to commercial traveling with power space planes in the future that passengers could use instead of giant rockets.
The threat of Chinese hypersonic missiles is a deterrent against the US in an area denial strategy to keep the US at bay. Which the US Navy realizes that Asia will be a no man's land if conflict ensues
Another US Warship stokes tensions in the Taiwan Strait as the Chinese rail at the US Navy which is making the stability concerns of the Indo-Pacific worse.
China says Taiwan is a pawn in the power struggle in the Indo-Pacific, like a sacrificial lamb. This is a warning that Washington is starting a new cold war in the east to remain relevant as the rise of China is a threat to its decades-long influence.