It is the latest freakish twist in the relationship between the leaders of the United States and North Korea, who threw insults at one another in the wake of Kim's growing ballistic missile tests past year.
The refrain ironically references what Washington would feel about denuclearizing North Korea: "And I think it's gonna be a long, long time, till touch down brings me round again to find". "He has been a faithful facilitator", he said of the South Korean leader, adding that the president had "sometimes mediated between Pyongyang and Washington when there was a stumbling block between the two".
Players of Team Peace and Team Prosperity enter the stadium during an inter-Korean women's basketball match in Pyongyang, North Korea.
In the joint statement, then-North Korean supreme leader Kim Il Sung and South Korean KCIA Director Lee Hu-rak laid out three principles for the eventual reunification of the two Koreas: independence, peace and national unity.
Japan said it is ready to normalize ties with and provide economic support to North Korea following a comprehensive resolution of the nuclear, missile and abduction issues, according to the sources.
The sub under construction at Sinpo may be a successor to that Gorae-class boat, advancing a program that U.S. officials consider a threat because it could allow North Korea to achieve greater surprise for a nuclear strike.
Pompeo, who arrived in the North Korean capital on Friday, has the crucial task of dispelling growing skepticism over how seriously Kim is about giving up his nuclear arsenal and translating the upbeat rhetoric following the summit into concrete action.
"Now the North Korean nuclear and missile threat has (abated) conspicuously".
Kim Hack-yong, a South Korean lawmaker who until a few weeks ago was head of the legislature's defense committee, told The Wall Street Journal that North Korea appeared to working on the sub at the port of Sinpo on the country's east coast.
"But for eight months there's been not one rocket or missile launch or there hasn't been a nuclear test", Trump offered on progress with North Korea.
Secretary of State Mike Pompeo is in Pyongyang to discuss the next steps toward denuclearization following the summit in Singapore. It's unclear if Pompeo can get a definite answer from the North during this visit.
Defense Secretary Jim Mattis said last month that the United Nations command in South Korea would initially take charge of the transfer of remains - when they occur - and would then turn them over to the custody of the US military. He last visited in May ahead of the Trump-Kim summit and traveled there secretly in early April while he was director of the Central Intelligence Agency.