Benjamin Holton, left, section chief of the High-Temperature Materials Characterization and Evaluation capability within the Space and Missile Test Branch, Test Division, Arnold Engineering Development Complex, talks about the test and evaluation capability he oversees to Dr. Richard Joseph, second from left, Air Force chief scientist, during Joseph's visit to Arnold Air Force Base, Tenn., Nov. 18, 2020. Also pictured, from right, Col. Mario Serna, military assistance to the Air Force chief scientist, Ed Tucker, AEDC senior technical director, and Dr. Chad Waddington, special assistance to the Air Force chief scientist. (U.S. Air Force photo by Jill Pickett) (This image was altered by obscuring a badge for security purposes.)
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