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13th Marine Expeditionary Unit
"The Fighting Thirteenth"

Oct 13, 2023

U.S. Marine Corps Lance Cpl. Gabriel Correia, left, Cpl. John T. Plunkett, center, mortarmen with 2nd Battalion, 4th Marine Regiment, 1st Marine Division, and Singapore Guardsmen 3SG Matthew Leong, a detachment commander with the 7th Singapore Infantry Brigade, conduct drills using a M252A2 81mm mortar system during a mortar subject matter expert exchange as part of Exercise Valiant Mark 2023 at Camp Pendleton, CA, Oct. 9, 2023. Valiant Mark 2023 is an annual, bilateral training exercise conducted between the Singapore Armed Forces and I Marine Expeditionary Force, designed to enhance interoperability, improve combined arms and amphibious warfighting skills, and strengthen military-to-military relationships. (U.S. Marine Corps photo by Sgt. Quince D. Bisard)

CAMERA

Canon EOS 5D Mark IV

LENS

EF24-105mm f/4L IS II USM

APERTURE

45/10

SHUTTERSPEED

1/1600

ISO

200

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.

CAMERA

Canon EOS 5D Mark IV

LENS

EF24-105mm f/4L IS II USM

APERTURE

45/10

SHUTTERSPEED

1/1600

ISO

200

 
13th Marine Expeditionary Unit