Group Grenade Toss Marines throw training grenades during Korean Marine Exercise Program at a central training area in Pohang, South Korea, Feb. 8, 2023. The exercise helps maintain trust, proficiency and readiness among U.S. and South Korean forces. SHARE: Download: Full Size (1.63 MB) Tags: SOUTH KOREA, Exercises, Marine Corps Credit: Marine Corps Lance Cpl. Weston Brown VIRIN: 230208-M-ER396-1204M.JPG Photo Gallery