Photos

MARFORK Logo
U.S. Marine Corps Forces Korea
Camp Humphreys, Republic of Korea

Jan 11, 2026

U.S. Marine Corps Lance Cpl. Aaron Duran, left, and Lance Cpl. Juan Hilario, both machine gunners with 1st Battalion, 6th Marines, forward deployed with 4th Marine Regiment, 3rd Marine Division as part of the Unit Deployment Program, fire on simulated adversary forces with an M240B machine gun while conducting platoon attacks in an urban environment during Korea Viper 26.1 at Camp Rodriguez, South Korea, Dec. 17, 2025. Korea Viper is a recurring exercise series that demonstrates the Republic of Korea and U.S. Marine Corps' ability to respond decisively in the region as a singular, unified force while strengthening relationships and trust between the two allies. Duran is a native of California, and Hilario is a native of Illinois. (U.S. Marine Corps photo by Cpl. John Simpson)

CAMERA

Canon EOS R5

LENS

RF28-70mm F2 L USM

APERTURE

28/10

SHUTTERSPEED

1/500

ISO

500

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 R5

LENS

RF28-70mm F2 L USM

APERTURE

28/10

SHUTTERSPEED

1/500

ISO

500