Kamis, 24 Maret 2016

Affordable Hypersonic Jets Could Be High-Flying Reality by 2023

Hypersonic aircraft and weapons that can fly more than five times the speed of sound may seem like a futuristic fantasy, but defense giant Lockheed Martin says it is committed to making these ultrafast innovations a reality.

from LiveScience.com http://ift.tt/1Pt0YdY
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