May 6, 2013 at 3:21AM Final X-51A WaveRider hypersonic mission achieves Mach 5.1, record flight length
August 11, 2011 at 8:30AM DARPA's Falcon HTV-2 hypersonic aircraft launches today, does New York to LA in 12 minutes (update: lost in flight)
June 20, 2011 at 8:14AM Hybrid rocket / seaweed jet ready to fly in 2050, keep emissions above ozone (video)
