Donald Trump and leader Kim Jong Un.
The apparent dismantling of the Sohae test site comes amid rising questions over North Korea's willingness to stick to the pledges made at the 12 June summit.
38 North said satellite images from Friday showed the roof and supporting structure partially removed from the rail-mounted processing structure for the launch pad and numerous vehicles were present, including a large crane.
Instead, Schoff suggested the USA could reciprocate by working with Seoul, Beijing, Tokyo and Moscow to approve some economic engagement exemptions for South Korea to work with the North in certain special economic zones.
"This is consistent with North Korea's public line, which is that its successful test program is now transitioning to mass production of nuclear and missile systems", he said. Later, North Korea announced it would instead launch a rocket meant to carry a satellite into orbit.
As the plot of the novel continues, Kim Jong Un, feeling his survival threatened, ultimately retaliates with nuclear attacks, first against South Korea, and Japan to deter an invasion, then targeting the USA mainland with intercontinental missiles. Japan is happy, all of Asia is happy.
Lewis's cautionary tale is a reminder of the grave risks at stake if diplomatic talks with Pyongyang fail, and the unsafe consequences that could follow if Washington returns to military brinkmanship and threatening rhetoric in a renewed attempt to pressure North Korea to unilaterally disarm.
Mr Trump said last night: "North Korea has began dismantling a key..."
U.S. Secretary of State Mike Pompeo also praised the latest report of North Korea's missile test site dismantlement after his meeting with his Australian counterpart in California, . saying it's "consistent" with a commitment Pyongyang made in Singapore. "As we have stated before, we are committed to building a peace mechanism with the goal of replacing the armistice agreement when North Korea has denuclearized".
"Now North Korea and the USA have started to have talks", she said.
Earlier this month, satellite images posted online by researchers show North Korea continuing to expand a ballistic missile manufacturing site while also upgrading a separate nuclear facility.
"As (Kim Jong Un) said himself, North Korea is moving from testing to mass production", she said, adding that observers should look for signs of new sites where more missiles could be built. "North Korea seems to be investing in the mutual confidence building process, which is not insignificant".
His tweets come after it was reported he was growing frustrated with the pace of progress with North Korea.
"It is remarkable that we do not have on paper what is frozen, what missile tests are not taking place, whether or not nuclear tests are being done". Analysts say that will be hard while sanctions remain in place.
Pyongyang has maintained Sohae is a satellite launch site, but United States officials suspect it has been used to test ballistic missiles.