NASA Dryden's Al Bowers and some of the students he mentored in the 2013 NASA Aeronautics Academy display the second subscale Prandtl-D flying wing following its first test flight last August. (NASA / Tom Tschida)
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NASA Dryden’s Al Bowers and some of the students he mentored in the 2013 NASA Aeronautics Academy display the second subscale Preliminary Research Aerodynamic Design to Lower Drag, or PRANDTL-d, flying wing following its first test flight last August.
August 6, 2013
NASA Photo / Tom Tschida