Anonymousabout 10 hours ago
China's JF-22 wind tunnel, capable of simulating speeds up to Mach 30, represents the world's most powerful hypersonic test facility and has widened a growing infrastructure gap with the United States, whose top facilities max out around Mach 14. But Western experts dispute whether China's headline Mach numbers translate to militarily relevant testing, and the US is pursuing alternative pathways — including allied facility-sharing under AUKUS and computational methods — to offset its domestic shortfall.