Student interns and NASA personnel cluster in front of PRANDTL-D No. 3 following a crash on Rosamond Dry Lake. The radio-controlled glider was built to validate a new spanload.

David Lee, Golda Nguyen and Scott Gleason recover the Prandtl-D No. 3 after one of its first flights.

The Prandtl-D No. 3 research aircraft is being readied for new flight tests this summer. It had its first flight on Oct. 28, 2015.