The remains will be examined at the Defense POW/MIA Accounting Agency, and experts there will be responsible for identifying the remains.
He also confirmed a single military dog tag was provided with the remains and that the family of that soldier has been notified.
The identification process does not prove the bones belong to one person, but rather that they could not belong to anybody else, Cole said.
"We will make our best efforts to ensure that we can craft practical measures to reduce military tensions and build trust between the two Koreas through this meeting", Major Gen. Kim Do-gyun, the chief of the five-member South Korean delegation, told reporters before departing for Panmunjom.
Sixteen other United Nations member countries fought alongside USA service members on behalf of South Korea.
Gen. Vincent Brooks, commander of the UNC and U.S. Forces Korea, and Rear Adm. Jon Kreitz, deputy director of the DPAA, will preside over a ceremony before the remains are flown to Hawaii for further analysis at the DPAA laboratory.
Before the remains were put on military planes bound for Hawaii, hundreds of USA and South Korean troops gathered at a hanger at the Osan base in South Korean for the repatriation ceremony, which included a silent tribute, a rifle salute and the playing of the US and South Korean national anthems and dirges in front of the United Nations flag-covered metal cases containing the remains.
Defense Secretary Jim Mattis has welcomed the return of the 55 boxes but acknowledged it's not certain who is inside. But there is a broad consensus among USA intelligence agencies that Kangson is one of at least two secret enrichment plants.
Once the boxes are in DPAA custody, the first step will be to inventory them to determine whether the remains are those of Americans, Duus said. "We have lots of work to do". There were estimated 5,300 Americans who did not return home from the conflict. Many were buried in shallow graves near where they fell on the battlefield; some others died in North Korean or Chinese-run prisoner of war camps.
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Darmian only made eight appearances in the Premier League last season - including just five starts - as well as 17 across all competitions.
The Korean War ended in an armistice, not a peace treaty.
United Nations honor guards carry the remains of USA servicemen killed in the Korean War and collected in North Korea, onto an aircraft at the Osan Air Base in Pyeongtaek, South Korea, Wednesday, Aug. 1, 2018.
But he insisted the Trump administration was still making progress in its talks.
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.
USA spy agencies have recently seen satellite photo evidence that North Korea is building at least two intercontinental ballistic missiles at the factory where it created its first missile that it said could reach the United States.
Satellite images showed continued activity at North Korean nuclear and missile sites.
Just last week, satellite images emerged that appeared to show North Korea dismantling a key Sohae satellite launching station.