Members of the Saudi Royal Guard greeted Air Force One as it delivered US President Donald Trump to Riyadh, Saudi Arabia, on May 20.

During the two-day trip, Trump is expected to meet with King Salman, the Gulf Cooperation Council, and leaders from more than 50 Muslim countries. During the trip, Trump will give a speech, in which he will talk about Islam and call for unity in a “battle between good and evil.”

Trump leaves for Israel on May 22.