NASA, Boeing complete X-48B flight test campaign

http://www.flightglobal.com/articles/2010/04/06/340309/nasa-boeing-complete-x-48b-flight-test-campaign.html

NASA and Boeing have completed the first phase of flight testing on the agency's X-48B blended wing body aircraft concept, accumulating 80 test flights on the 227kg (500lb), one-eighth scale model designed to be a quieter, more fuel efficient successor to today's passenger and cargo aircraft