Prandtl Formation FlightNASA Armstrong Flight Research Center conducted its first formation flight with the Preliminary Research Aerodynamic Design to Lower Drag (Prandtl) aircrafts Prandtl-D2 and Prandtl-3C.Image Credit: NASA/Lauren Hughes Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/amf-afrc2018-0310-06/Copy URL to clipboard> DownloadShareTakenDecember 4, 2018ProducerAFRCImage CreditNASA/Lauren HughesSize1919x1279pxPIA NumberAFRC2018-0310-06