South Korean President Moon Jae-in departed Seoul Air Base for Washington DC on Wednesday afternoon for what will be his seventh face-to-face meeting with U.S. President Donald Trump.

The two leaders are expected to meet on Thursday at the White House, in summit widely expected to see Moon seek ways to break an ongoing diplomatic deadlock between the DPRK and the U.S.

Moon and Trump last met in person four months ago, at a summit held on the sidelines of the G20 Leaders’ Summit in Buenos Aires in November.

A plane carrying Moon and his aides left the Seoul Air Base at around