The Navy of Japan, officially known as the Japan Maritime Self-Defense Force (JMSDF), is the naval branch of the Japan Self-Defense Forces. Established in 1954, it focuses on maritime defense and disaster response. The JMSDF operates various vessels, including destroyers, submarines, and support ships, to ensure the security of Japan's waters. The primary mission of the JMSDF is to protect Japan's territorial integrity and contribute to international peacekeeping efforts. It collaborates with other nations' navies for joint exercises and humanitarian missions, enhancing regional stability and maritime security in the Asia-Pacific region.