President Moon Jae-in held a twenty-minute-long phone conversation with his U.S. counterpart Donald Trump.<br /> According to a statement released by the nation's top office, President Trump called from Air Force One, en route to Washington.<br />President Moon first highly evaluated the Singapore Summit, that the U.S. commander in chief established a foundation for peace, not only for the Korean Peninsula but for the entire international community.<br />Trump expressed satisfaction with the summit results, saying there is now a close relationship between him and North Korean leader Kim Jong-un.<br />He insisted Kim's promise to dismantle the missile engine site reflects the North Korean leader's strong determination to make a change.<br />Both Presidents Moon and Trump stressed the importance of fully and quickly carrying out the agreement reached at the summit, and as such agreed to close cooperation on related efforts. <br />