Christopher Romanoski, left, an aerospace engineer with the 717th Test Squadron (717 TS), 804th Test Group, Arnold Engineering Development Complex (AEDC), and Zack Wallace, right, an engineer with Core Parts, bolt a flange into place 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, from second from left, Seth Markum, aerospace engineer with the 717 TS, Tab Heffernan, a senior engineer with Core Parts, and Jeff Chasteen, an AEDC test operations engineer. The project was a Small Business Innovation Research-funded effort completed by Core Parts. (U.S. Air Force photo by Jill Pickett)