11 December 2025 U.S., ROK Navies Strengthen Combined Undersea Warfare During Silent Shark 2025 The U.S. Navy and Republic of Korea (ROK) Navy successfully completed the biennial theater anti-submarine warfare (TASW) exercise Silent Shark 2025 in Guam, Dec. 11. Organized by Commander, Submarine Group 7 (CSG-7), Silent Shark is a long-standing bilateral exercise designed to strengthen...