Alliant Techsystems (ATK) has made a surprise purchase of the two leading US hypersonic specialists, GASL and Micro Craft, both involved in NASA's X-43Aair-breathing hypersonic programme. However, ...
Alliant Techsystems (ATK) announced Nov. 24. it is buying two hypersonic flight businesses in a bid to expand into hypersonic flight and propulsion. The businesses are GASL, of Ronkonkoma, N.Y., and ...
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