Water Gun The USS Gridley fires its Mark 45 5-inch gun during an exercise in the South China Sea, May 31, 2025. The Gridley is deployed to the 7th Fleet area of operations, demonstrating U.S. commitment to a free and open Indo-Pacific. SHARE: Download: Full Size (1.41 MB) Tags: training, Navy, Indo-Pacific Credit: Navy Petty Officer 2nd Class Timothy Meyer VIRIN: 250531-N-AS506-2145P.JPG Photo Gallery