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190319-F-NG836-1

U.S. Air Force First Sergeant Academy Instructor Master Sgt. Robert M. Stephens leads a classroom discussion, Mar. 19, 2019. Stephens is a first sergeant with the Arkansas Air National Guard's 188th Wing, and the first adjunct instructor to teach the academy's new curriculum. (U.S. Air Force photo by William Birchfield)

PHOTO BY: William Birchfield
VIRIN: 190319-F-NG836-1006.JPG
FULL SIZE: 1.5 MB
Additional Details

CAMERA

NIKON D810

LENS

24.0-120.0 mm f/4.0

APERTURE

71/10

SHUTTERSPEED

1/80

ISO

1000

IMAGE IS PUBLIC DOMAIN

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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.