79K views · 1.7K reactions | The SR-72 Darkstar Debut Is Nearly Here #MilitaryNews #BreakingNews #sr72darkstar | Military News | Facebook

SR-72 DARKSTAR: The Future Is Here — And It Just Got Caught on Camera! #SR72 #Darkstar #LeakedFootage #StealthSupersonic #USMilitarySecrets | Military News

Heads up, drivers... Access to SR-51 is restricted at Shea Boulevard and part of Shea is shut down while crews work to repair downed power lines blocking the road: http://bit.ly/2uaDMTU Check current traffic conditions here: http://www.abc15.com/traffic | ABC15 Arizona

#China's 3D-printed minimalist turbojet #engine completed its first single-engine flight test on Thursday, marking a significant breakthrough in the engineering use of 3D-printed engines. The new product is independently developed by the Aero Engine Corporation of China (AECC). The 30-minute flight reached an altitude of 6,000 meters and a maximum speed of Mach 0.75. More than three-quarters of the engine's weight comprises 3D-printed components, slashing the part count and enabling a lightweigh

1.6M views · 11K reactions | Escape System Flight Test: New China...