News FocusMILITARY RESEARCH

Mach 12 by 2012?

Science  09 May 2003:
Vol. 300, Issue 5621, pp. 888-889
DOI: 10.1126/science.300.5621.888

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Summary

The Pentagon wants to boost research into planes and weapons that can travel at hypersonic speeds--above Mach 5, and perhaps as fast as Mach 12. But the technical barriers remain daunting.

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