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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)

PHOTO BY: Jill Pickett
VIRIN: 211105-F-KN521-0231.JPG
FULL SIZE: 6.5 MB
Additional Details

CAMERA

NIKON D850

LENS

N/A

APERTURE

50/10

SHUTTERSPEED

10/3200

ISO

5000

IMAGE IS PUBLIC DOMAIN

Read More

This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.

Graphics

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)

PHOTO BY: Jill Pickett
VIRIN: 211105-F-KN521-0231.JPG
FULL SIZE: 6.5 MB
Additional Details

CAMERA

NIKON D850

LENS

N/A

APERTURE

50/10

SHUTTERSPEED

10/3200

ISO

5000

IMAGE IS PUBLIC DOMAIN

Read More

This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.