Sasebo Naval Base is a major naval installation located in Sasebo, Japan. It serves as a key facility for the United States Navy and the Japan Maritime Self-Defense Force. The base supports various naval operations and provides logistical support to ships and submarines. Established in the late 19th century, Sasebo Naval Base has a rich history and has played a significant role in both World Wars. Today, it continues to be an important strategic location for military cooperation between the United States and Japan, enhancing regional security in the Asia-Pacific region.