Warfighting

U.S. Marine Corps Lance Cpl. Fernando Valenzuela, left, and Cpl. Tristan Saghin, both infantry rifleman with 2nd Battalion, 23rd Marines forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, conduct room clearings as a part of military operations in urban terrain training during Korea Viper 25.4 at Pohang, South Korea, May 10, 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. Valenzuela is a native of Nevada. Saghin is a native of Nevada. (U.S. Marine Corps photo by Lance Cpl. Tucker Mocan)