The Japan Maritime Self-Defense Force (JMSDF) is the naval branch of the Japan Self-Defense Forces. Established in 1954, its primary mission is to ensure the security of Japan's waters and protect its maritime interests. The JMSDF operates various vessels, including destroyers, submarines, and patrol aircraft, and participates in international maritime operations and humanitarian missions. The JMSDF plays a crucial role in regional stability and disaster response. It collaborates with other nations' navies, such as the United States Navy, to enhance maritime security and address common challenges. The force also engages in training exercises to improve readiness and interoperability with allied forces.