276K views · 7K reactions | NASA took a major step toward redefining...

The X-15 experimental aircraft achieved its first hypersonic flight on June 23, 1961, soaring at speeds over five times the speed of sound. Later, the X-43A reached about 7,000 mph using innovative engines that harnessed atmospheric oxygen. For nearly eight decades, NASA Armstrong has been at the forefront of high-speed research, achieving these and many other milestones. Today, our engineers are developing technologies to make space access safer and more affordable, and to bring routine commerc

237K views · 13K reactions | On 7 June 2013, the X3 demonstrator...

1.8K reactions · 95 shares | The X-43A was a small, unmanned test...