NASA Armstrong's Prandtl-D1, is autographed by all the interns that have worked on the project. Prandtl-D1 is being shipped to the National Air and Space Museum, Smithsonian Institution to be featured in its Innovations Gallery.

NASA Armstrong says goodbye to its Prandtl-D1 that is being shipped to the National Air and Space Museum, Smithsonian Institution and Prandl-D3 that will be going to the California Science Center.

Preliminary Research Aerodynamic Design to Lower Drag, or Prandtl-D1, will be displayed in an upcoming Innovations Gallery at the National Air and Space Museum, the Smithsonian Institute. The aircraft, which flew from NASA's Armstrong Flight Research Center in California, uses a method of aircraft design that introduces a twist that results in a more efficient wing. From left are Robert "Red" Jensen, Logan Shaw, Christian Gelzer, Justin Hall, Al Bowers, Oscar Murillo, Brian Eslinger and Derek Abramson