Public domain
DOUGLAS XA3D-1 #413 AIRPLANE.
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
DOUGLAS XA3D-1 #413 AIRPLANE MOUNTED IN THE NACA AMES RESEARCH CENTER'S 40X80_FOOT SUBSONIC WIND TUNNEL Testing the boundary layer control of the A3D in the 40 x 80 wind tunnel. Boundary layer control was added to increase the lift of the wing for take off from an aircraft carrier.
NASA Image and Video Library’s own descriptionCredit lineDOUGLAS XA3D-1 #413 AIRPLANE.. NASA/ARC, 1955-07-27. Public domain. ID: ARC-1955-A-20573.