Lt. Col. Lane Haubelt, left, chief of the Propulsion Test Branch, Test Division, Arnold Engineering Development Complex, speaks to Maj. Gen. Christopher Azzano, right commander, Air Force Test Center, and Chief Master Sgt. Brian Stafford, command chief master sgt. of the Air Force Test Center, about engine testing being performed in the J2 test cell during their visit Nov. 10, 2020, to Arnold Air Force Base, Tenn. (U.S. Air Force photo by Jill Pickett)

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Photo by: Jill Pickett |  VIRIN: 201110-F-KN521-0001.JPG