Japan's Self-Defense Forces (SDF) are the military forces of Japan, established in 1954. They were created in response to the need for national security after World War II, while adhering to Japan's pacifist constitution, particularly Article 9, which renounces war. The SDF is divided into three branches: the Ground Self-Defense Force (GSDF), the Maritime Self-Defense Force (MSDF), and the Air Self-Defense Force (ASDF). The primary role of the SDF is to defend Japan against external threats and to participate in disaster relief operations. The forces are equipped with modern technology and have engaged in various international peacekeeping missions under the auspices of the United Nations. The SDF operates within strict legal limits, focusing on defensive capabilities rather than offensive military actions.