Testing at Purdue
9 of 10 from Going hypersonic with the X-51A Waverider (images)
At Purdue, meanwhile, a model of the X-51A was used in hypersonic wind tunnel testing, specifically looking at the airflow over the front end of the design.
May 24, 2010 2:23 PM PDT
Photo by: Purdue News Service photo/David Umberger