"We'd love to solve things diplomatically but it's very difficult," President Trump said on North Korea, in an interview with Reuters. Trump is seen here at the White House on Thursday.
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An official photograph dated April 15 and posted by the Navy shows the aircraft carrier USS Carl Vinson in an Indonesian strait thousands of miles south of North Korea.
MC2 Sean M. Castellano/U.S. Navy
North Korean leader Kim Jong Un arrives for a military parade in Pyongyang marking the 105th anniversary of the birth of late North Korean leader Kim Il Sung on April 15.
KCNA via KNS/AFP/Getty Images
An unidentified missile is displayed during a military parade marking the 105th anniversary of the birth of late North Korean leader Kim Il-Sung in Pyongyang, the nation's capital, on Saturday.
Ed Jones/AFP/Getty Images
During a Saturday parade commemorating its founder's birthday, North Korea rolled out what appeared to be new intercontinental ballistic missiles. The country has been warned against having such weapons.
Chinese President Xi Jinping and President Trump shake hands during dinner at Trump's Mar-a-Lago estate in Palm Beach, Fla., on April 6, during the first face-to-face meeting of the two leaders.
Jim Watson/AFP/Getty Images
The Carl Vinson Strike Group set sail for the Korean Peninsula where it will lend its physical presence as North Korea insists on continuing its weapons testing programs.
A United Nations propaganda poster from the Korean War era bears an anti-communist message. In South Korea, the propaganda turned North Koreans into beast-like characters.