Lance Baxter, right, chief of the Hypersonic Systems Test Branch, Test Division, Arnold Engineering Development Complex, speaks about the support of hypersonic test and evaluation to Dr. Richard Joseph, second from left, Air Force chief scientist, and Dr. Chad Waddington, special assistance to the AF chief scientist, during a visit to Arnold Air Force Base, Tenn., Nov. 18, 2020. Also pictured is Ed Tucker, AEDC senior technical director. AEDC supports hypersonic weapons development in many of its facilities. (U.S. Air Force photo by Jill Pickett) (This image has been altered by obscuring a badge for security purposes.)