National Security Journal on MSN

Mach 5.1 X-51 Waverider ‘Hypersonic Scramjet’ Has a Message for the Air Force

Boeing’s X-51A “Waverider” was a hypersonic tech demonstrator built with AFRL, DARPA, and Pratt & Whitney Rocketdyne to ...
Interesting Engineering on MSN

US Army to test tech that turns air into drinking water for troops in battle zones

The US Army has teamed up with a clean-tech company to turn waste heat into drinking water for soldiers in the field.