Under Secretary of the Air Force visits Arnold AFB

Kirk Butler, director of operations for the Hypersonic Systems Test Branch, Test Division, Arnold Engineering Development Complex (AEDC), explains how the Aerodynamic and Propulsion Test Unit (APTU) operates to Under Secretary of the Air Force Gina Ortiz Jones, during her visit to Arnold Air Force Base, Tenn., headquarters of AEDC, Nov. 5, 2021. APTU is a combustion-heated, blow-down wind tunnel used to evaluate the performance of hypersonic air-breathing propulsion systems. (U.S. Air Force photo by Jill Pickett)

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Under Secretary of the Air Force visits Arnold AFB

Under Secretary of the Air Force Gina Ortiz Jones, looks at test samples as Savannah Langer, an engineer with the Space Test Branch, Test Division, Arnold Engineering Development Complex (AEDC), speaks about the Space Threat Assessment Testbed (STAT) in which they were tested at Arnold Air Force Base, Tenn., headquarters of AEDC, Nov. 5, 2021. STAT is used to subject test articles to environmental factors in a simulated space environment. (U.S. Air Force photo by Jill Pickett)

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Under Secretary of the Air Force visits Arnold AFB

Lt. Col. John McShane, chief of the Aerodynamics Test Branch, Test Division, Arnold Engineering Development Complex (AEDC), speaks with Under Secretary of the Air Force Gina Ortiz Jones about the AGARD-B model installed in the 16-foot transonic wind tunnel at Arnold Air Force Base, Tenn., headquarters of AEDC, Nov. 5, 2021. AGARD models are scalable, generic aerodynamic models that allow for data comparison across different wind tunnels. (U.S. Air Force photo by Jill Pickett) (This image has been altered by obscuring a portion of a poster for security reasons.)

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Under Secretary of the Air Force visits Arnold AFB

Published Nov. 17, 2021
By Jill Pickett
AEDC PA

ARNOLD AIR FORCE BASE, Tenn. -- Kirk Butler, director of operations for the Hypersonic Systems Test Branch, Test Division, Arnold Engineering Development Complex (AEDC), explains how the Aerodynamic and Propulsion Test Unit (APTU) operates to Under Secretary of the Air Force Gina Ortiz Jones, during her visit to Arnold Air Force Base, Tenn., headquarters of AEDC, Nov. 5, 2021. APTU is a combustion-heated, blow-down wind tunnel used to evaluate the performance of hypersonic air-breathing propulsion systems. (U.S. Air Force photo by Jill Pickett)