The identification process does not prove the bones belong to one person, but rather that they could not belong to anybody else, Cole said.
No official agreement was struck between Trump and Kim, but both sides are working on a deal.
In that address, the North Korean leader was unequivocal about what was next, they say.
She is hopeful that her father's remains are among those arriving on Wednesday.
When North Korea handed over 55 boxes of bones that it said are remains of American war dead, it provided a single military dog tag but no other information that could help US forensics experts determine their individual identities, a USA defense official said Tuesday. The exception, the officials said, is the Sohae Satellite Launching Station on North Korea's west coast, where workers can be observed dismantling an engine test stand, honoring a promise made to Trump at the summit.
"What we're going on is the commitment that Chairman Kim made to our president", said department spokeswoman Heather Nauert.
The remains were then moved in gray vans to an airfield where USA and South Korean soldiers loaded them one by one into transport planes.
But John Byrd, director of scientific analysis at the Defense POW/MIA Accounting Agency (DPAA), said preliminary findings suggested that "they are likely to be American remains".
The 55 flag-draped boxes of remains from potential prisoners of war were returned to the U.S. on Friday.
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A USA defense official said Tuesday that it probably will take months if not years to fully determine individual identities from the remains.
Senior North Korean officials have discussed their intention to deceive Washington about the number of nuclear warheads and missiles they have, as well as the types and numbers of facilities, and to rebuff worldwide inspectors, according to intelligence gathered by USA agencies.
He also confirmed a single military dog tag was provided with the remains and that the family of that soldier has been notified.
North Korea handed over the remains last week.
The purported remains of Americans who died in the Korean War are on their way to Hawaii, where they'll be analyzed in hopes of providing a new sense of closure for families who lost loved ones in the war that ended with a cease-fire in 1953.
A senior State Department official said Tuesday that Pompeo will urge Asian countries at a meeting in Singapore this weekend to enforce United Nations sanctions on North Korea.
Of the roughly 7,700 missing USA service members from the Korean War, approximately 5,300 are believed to be on North Korean soil.
Melissa Hanham, a North Korea expert at the Middlebury Institute of International Studies, tells the BBC that satellite images show there has been "regular traffic in and out of the building" at the Sanumdong facility-and the pattern didn't change throughout peace talks in Singapore and the DMZ. There were estimated 5,300 Americans who did not return home from the conflict.
At the recent United States-Democratic People's Republic of Korea (DPRK) Summit, President Trump and Kim Jong Un signed the Sentosa Agreement, which included a commitment to recover remains from the DPRK and return them to the U.S., where they will be identified. "Thank you to Kim Jong Un".
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They also agreed to increase trade in services and agriculture, including greater U.S. soy bean exports to the EU. The Department of Agriculture on Tuesday announced a $ 12 billion, three-part plan to borrow money from the U.S.
FILE - A soldier carries a casket containing a remain of a USA soldier who was killed in the Korean War, during a ceremony at Osan Air Base in Pyeongtaek, South Korea, July 27, 2018.
In Singapore, Kim Jong Un committed to work "towards the complete denuclearization of the Korean Peninsula" in a signed joint statement with Trump, but there are signs that North Korea does not interpret that phrase to entail its unilateral disarmament.
Narang said the aim of such a strategy would be to obtain sanctions relief, while still retaining a deterrent - what he called "the best of all worlds for North Korea".
What are experts saying about this?
But Ms. Nauert dodged questions about reports that USA spy satellite photos and infrared imaging have shown recent movement of vehicles in and out of a North Korean facility that previously produced the country's first ballistic missiles capable of reaching the US mainland.
The ARF, slated for Saturday (Aug 4), will be the highest-profile diplomatic event involving North Korea since its historic summit with the United States here on June 12. "But then they'll say, 'The next ones, we need to find them, locate them, restore them.' And then they'll start charging".
The foreign ministers from all nations involved in stalled "six-party" negotiations with North Korea aimed at reining in Pyongyang's nuclear programme will be at the gathering: the US, China, Russia, Japan and South Korea.
Efforts to recover remains in North Korea have been fraught with political and other obstacles since the war's end. Between 1990 and 1994, North Korea unilaterally handed over 208 caskets to the U.S., which turned out to contain remains of far more than 208 individuals, although forensics specialists thus far have established 181 identities.
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Still, Barletta avoided criticizing Trump or, for that matter, Putin, the man who Trump is inviting to the White House this fall. Trump wrote that his predecessor, Barack Obama, knew about allegations of Russian meddling before the November 2016 vote.