Key test set for sustained hypersonic flight

In a nondescript hangar at Edwards Air Force Base in the Mojave Desert, a team of aerospace engineers has been putting the finishing touches on a lightning-quick experimental aircraft designed to fly above the Pacific Ocean at 3,600 mph. A passenger aircraft traveling at that speed could fly from Los Angeles to New York in 46 minutes.  http://www.latimes.com/business/la-fi-hypersonic-revolution-20120813,0,4998122.story

Article courtesy of The Los Angeles Times by W. J.Hennigan