Mr Trump said it was a "special night for these really great people" as they arrived at the Andrews Air Force Base near Washington.
The White House said the trio had been freed as a gesture of goodwill ahead of the planned meeting between Mr Trump and North Korean leader Kim Jong-un.
Mr Trump said he thought the summit would be "a big success".
TVNL Comment: Uh...for the record...two of the three released men were imprisoned on Trump's watch.



Eleven-year-old Hamsa Housou lay dead on a cold metal table at the morgue in Al-Shifa hospital....
Ukraine’s working group on preparing elections during a special or post-war period met for the second...





























