From left, Haley Goldston, a research assistant with the University of Tennessee Space Institute (UTSI); Dr. Phil Kreth, an assistant professor with UTSI; and Justin Thomas, a test engineer with the 717th Test Squadron, 804th Test Group, Arnold Engineering Development Complex, look at shadowgraph data during an experiment in SL-2, Also pictured are Kevin Kelly and Michael Mason, test operations engineers, monitoring facility control screens. (U.S. Air Force photo by Jill Pickett) (This image has been altered by obscuring a badge and other items for security purposes.)
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