WORLD NEWS & ANALYSIS - Darpa contemplates hypersonic spaceplane demo - Reusable aircraft could deliver payloads anywhere within 2 hr.
Aviation week & space technology ; 157 , 11 ; 81
2002
Article (Journal)
English
WORLD NEWS & ANALYSIS - Darpa revives interest in hypersonic attack system
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Space Tourism Optimized Reusable Spaceplane Design
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