2015-06-07, 13:56
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.
http://rss.cnn.com/~r/rss/edition_techno...index.html
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.
http://rss.cnn.com/~r/rss/edition_techno...index.html