Description: In the spring of 1919, these two Curtiss JN-4H Jennies, which served as NACA 1 and NACA 3 (foreground), prepare to take off from Langley Field. Many of these early flights were done to collect basic data which formed the basis for future research.
Size: 1582px × 1265px
Photo credit: © NC Collections / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1919, naca1, naca3