From left, Dr. Phil Kreth and Haley Goldston, with the University of Tennessee Space Institute, set up equipment in SL-2, a sea level turbine engine test cell at Arnold Air Force Base, Tenn., April 27, 2022, to observe and record shadowgraph data of the air flow from various nozzles.

---

Size: 4473px × 3353px
Photo credit: © Operation 2022 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 717th, squadron, test