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210616-Z-NB148-0019

Luke Hargroder, a contract historian with the National Guard Bureau, points out key details on a map while discussing the Civil War’s Battle of Antietam with National Guard members during a guided tour of Antietam National Battlefield, June 16, 2021. The tour was part of a professional development event for the Soldiers and Airmen and emphasized the lessons learned from one of the bloodiest days in American military history.

PHOTO BY: Master Sgt. Erich B. Smith
VIRIN: 210616-Z-NB148-0019.JPG
FULL SIZE: 4.28 MB
Additional Details

CAMERA

NIKON D850

LENS

17.0-35.0 mm f/2.8

APERTURE

14

SHUTTERSPEED

1/160

ISO

400

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.