Introduction The Quadrilateral Security Dialogue (QSD), sometimes known as the Quad, is an informal strategic conference comprised of four countries: the United States of America (USA), India, Australia, and Japan. One of the Quad's key goals is to promote a free, open, prosperous, and inclusive Indo-Pacific area. The group met for the first time in 2007 on the sidelines of the Association of Southeast Asian Nations (ASEAN). It is seen as an alliance of marine democracies, wi