Are the Soldier Remains Returned From North Korea Really Americans? One US Official Just Weighed...

"They could go to Australia," Mattis added. "They have missing, France has missing, Americans have. There's a whole lot of us. So, this is an international effort to bring closure for those families."

Of the roughly 7,700 missing U.S. service members from the Korean War, approximately 5,300 are believed to be on North Korean soil.