National Security Journal on MSN
NASA’s first X-43A crashed into the Pacific in 2001 — the two that followed set hypersonic records no aircraft has beaten in 22 years
In the early 2000s, NASA was among the first to achieve sustained hypersonic flight. As part of the broader Hyper-X program, ...
NASA’s second attempt to fly an X-43A air-breathing hypersonic test aircraft is set for mid-December. The first effort ended with the destruction of the vehicle over the Pacific on 2 June 2001.
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