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Next-gen Mars helicopter rotor blades exceed Mach 1
NASA Sends Mars Helicopter Blades Beyond Mach 1
NASA Pushes Next-Gen Mars Helicopter Rotor Blades Past Mach 1
Full Throttle, Mach Diamonds: NASA’s X-59 Turns Up Power, Soars Through Engine Tests
'This is how we get to Mach 3:' Virgin Galactic's Jameel Janjua on his long journey to space (exclusive)
Revolution at Mach 10: NASA-Backed Hypersonic Jets Poised to Transform Space Travel
NASA is Helping to Develop a Mach 4 Passenger Jet
