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The 19th Sergeant Major of the Marine Corps, Sgt. Maj. Troy E. Black, sits on a Senior Enlisted Advisor (SEA) panel supporting Keystone at the National Defense University at Ft. McNair, District of Columbia, Jan. 4, 2022. The Sergeant Major of the Marine Corps addressed questions with the support of his fellow SEA’s, posed by Keystone students. The Keystone Course will educate Command Senior Enlisted Leaders currently serving in or slated to serve in a general or flag officer level joint headquarters or Service headquarters that could be assigned as a joint task force. (U.S. Marine Corps photo by Sgt. Victoria Ross)

Keystone Senior Enlisted ...

U.S. Marine Corps photo by Sgt. Victoria Ross/Released 220104-M-DX405-0019.JPG

Feb 3, 2022

The 19th Sergeant Major of the Marine Corps, Sgt. Maj. Troy E. Black, sits on a Senior Enlisted Advisor (SEA) panel supporting Keystone at the National Defense University at Ft. McNair, District of Columbia, Jan. 4, 2022. The Sergeant Major of the Marine Corps addressed questions with the support of his fellow SEA’s, posed by Keystone students. The Keystone Course will educate Command Senior Enlisted Leaders currently serving in or slated to serve in a general or flag officer level joint headquarters or Service headquarters that could be assigned as a joint task force. (U.S. Marine Corps photo by Sgt. Victoria Ross)

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CAMERA

Canon EOS-1D X

LENS

EF24-70mm f/2.8L II USM

APERTURE

28/10

SHUTTERSPEED

1/100

ISO

800

IMAGE IS PUBLIC DOMAIN

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.