Hypersonic aircraft to go 5 times the speed of sound

Hypersonic aircraft to go 5 times the speed of sound

4:37 PM
Hypersonic aircraft to go 5 times the speed of sound
The U.S. Air Force aims to develop an unmanned flying weapon by 2023 that would travel at least five times the speed of sound and might transform the nature of warfare.

from CNN.com - Technology http://ift.tt/1ASHuzB

via Blogger http://ift.tt/1KhnlVC
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