President of South Korea: We will expand defense and nuclear cooperation with Turkey In a joint press conference with President Erdogan, the President of South Korea announced that the two countries signed a memorandum of understanding to deepen cooperation in the defense industry and finance nuclear power plants. In this press conference, the president of South Korea, referring to the good friendship between Turkey and South Korea, said: "Turkey is our old brother and our blood is in the heart of our nation." He announced: Together with President Erdogan, we decided to deepen cooperation in the defense industry.