It is unclear how the United States has already determined they are likely to be American.
"So when. only one dog tag was provided, it´s probably not to tease the USA but rather that it was sent because it could offer clues to the remains".
The agency usually also relies on any items that may have been found with remains like uniforms, dog tags and wedding rings to identify remains.
"The remains received from North Korea are being handled with the utmost care and respect by professional historians, forensic scientists, uniformed personnel and government officials", the U.S. -led U.N. Command said in a statement.
It also comes despite U.S. President Donald Trump's claim on Twitter, shortly after his landmark summit with North Korean leader Kim Jong Un in Singapore, that Pyongyang was "no longer a Nuclear Threat".
Pence attended a repatriation ceremony at Pearl Harbor in Hawaii, where 55 caskets of presumed troop remains were unloaded from military planes and placed on stanchions at the air base.
On Wednesday 55 cases of what are believed to be the remains of Americans who were killed or captured during the Korean War were transported to a military base in Hawaii, after they were handed over to USA officials who had traveled to North Korea last week. Scientists will extract DNA and compare it to DNA samples collected from families of troops still missing from the war. "We got back our great fallen heroes, the remains sent back today, already 200 got sent back", boasted Donald Trump earlier this summer. "We have lots of work to do".
He said he also appreciated Indonesia's ongoing support for peace efforts on the Korean Peninsula.
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. "Today, our boys are coming home", said the Vice President.
"They dedicated their lives for the last 60 years finding out what happened to their fathers, what happened though those patriots, warriors who went to fight for us, for every generation of Americans", Hegseth continued.
North Korea may want to use the remains' return to keep diplomacy with the United States alive and win a reciprocal USA concession.
Secretary of State Michael Pompeo, who's leading nuclear negotiations with North Korea, acknowledged in Senate testimony last week that North Korean factories "continue to produce fissile material" used in making nuclear weapons.
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.
"Just over 1,000 men are unrecovered" from the so-called Demilitarized Zone and nearby buffer zones, according to DPAA.
Officials say USA spy agencies, citing evidence including recent satellite photos, have spotted signs that the North is building new intercontinental ballistic missiles, according to the Washington Post. In addition to obfuscating its number of nuclear warheads and missiles, USA intelligence reportedly indicated that the regime is trying to hide the type and numbers of its facilities, and prevent worldwide inspectors from taking a look at their developments.