Inside NASA Ames' 9- by 7-Foot Supersonic Wind Tunnel, researcher Don Durston inspects the mounting hardware for the 16-inch scale model of the Boeing concept. Image Credit: NASA/Dominic Hart

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Size: 2240px × 1491px
Photo credit: © NC Collections / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 9x7, boom, sonic