Scenes from a Korean culture festival at Camp Humphreys, South Korea, June 10, 2025. U.S. Soldier-KATUSA Friendship Week is an annual celebration of the KATUSA Soldier Program and the alliance between the Republic of Korea and U.S. Army. Korean Augmentation to The U.S. Army soldiers have been serving side-by-side with Eighth Army Soldiers since the start of the Korean War. Today, they continue to serve helping Eighth Army to be ready for any contingency in the defense of two homelands.