Lethality

U.S. Marine Corps Cpl. Kayden Gibson, an infantry rifleman with 2nd Battalion, 23rd Marines forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, posts security on a patrol during Korea Viper 25.4 at Pohang, South Korea, May 5, 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. Gibson is a native of Utah. (U.S. Marine Corps photo by Lance Cpl. Tucker Mocan)