They really are on a roll this year, they just successfully tested the X-43 air breathing scramjet, reaching mach7+. Everything went great, the video footage is awesome. Just to show what kind of milestone this is, the Wright brothers flew their first plane about 120ft in around 12 seconds, NASA today covered 15 miles in the same amount of time, and we all know how important the Wright brothers and this feat were to aviation.
http://www.cnn.com/2004/TECH/space/03/27/h...t.ap/index.html
http://www.dfrc.nasa.gov/Gallery/Photo/X-4...D04-0090-1.html
http://www.dfrc.nasa.gov/Gallery/Photo/X-4...D04-0090-2.html
http://www.cnn.com/2004/TECH/space/03/27/h...t.ap/index.html
http://www.dfrc.nasa.gov/Gallery/Photo/X-4...D04-0090-1.html
http://www.dfrc.nasa.gov/Gallery/Photo/X-4...D04-0090-2.html