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Tab Heffernan, second from left, a senior engineer with Core Parts, explains what he is working on while assembling an instrumented small engine test stand, March 9, 2022, in the Propulsion Research Facility at the University of Tennessee Space Institute within the confines of Arnold Air Force Base, Tenn. Also pictured are Kyle Todd, left, a senior test analyst with the 717th Test Squadron (717 TS), 804th Test Group, Arnold Engineering Development Complex, and Jeff Chasteen, third from left, an AEDC test operations engineer; from right, Nate Campbell, a lead test engineer with the 717 TS, and Zack Wallace, an engineer with Core Parts. The project was a Small Business Innovation Research-funded effort completed by Core Parts. (U.S. Air Force photo by Jill Pickett)
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