Darpa Plans Test for Hypersonic Weapon
 

The Pentagon’s far-out science arm is planning an April test flight for a prototype of a hypersonic weapon that — in theory — could cross the Pacific Ocean in under two hours.



Read more here,

http://www.wired.com/dangerroom/2010...#ixzz0gJ0nzckW

Re: Darpa Plans Test for Hypersonic Weapon
 

Some great pictures here of many experimental craft, only, not of DARPA or Lockheed, these are NASA:

Dryden Historical Aircraft Photo Collection