Members of the Arnold Engineering Development Complex workforce monitor an experiment in SL-2, a sea level turbine engine test cell at Arnold Air Force Base, Tenn., to study flow visualization for preemptive acoustic abatement in turbine test cells, April 28, 2022.

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Size: 4639px × 3234px
Photo credit: © Operation 2022 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 717th, squadron, test