The USS Johnston (DD-557) was a Fletcher-class destroyer of the United States Navy, launched on March 25, 1943. It played a significant role during World War II, particularly in the Battle of Leyte Gulf, where it engaged Japanese forces in October 1944. The ship was known for its speed and agility, making it effective in naval combat. On April 7, 1945, the USS Johnston was sunk during a fierce battle in the Pacific. Despite being heavily outnumbered, the crew fought valiantly, showcasing remarkable bravery. The wreck of the ship was discovered in 2021, resting at a depth of about 21,000 feet near the Philippines, providing insights into naval history and underwater exploration.