The North American X-15 was built to flirt with the edge of space, not to cross it by accident. Yet on a research mission labeled Flight 90, a routine test profile slipped just far enough out of ...
If this launch goes according to plan, SpaceX plans to roll out a new iteration of the megarocket in early 2026. Reading time 3 minutes SpaceX’s Starship megarocket is back on the launch pad at Boca ...
National Security Journal on MSN
The Mach 6.7 monster: Why the X-15’s speed record still stands in 2026
Summary and Key Points: The X-15 program, spanning 199 flights between 1959 and 1968, pushed the boundaries of aeronautics into the hypersonic realm. -Capable of reaching altitudes of 102,000 feet, ...
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