Before Trump began his visit to Saudi Arabia, Qatar and the United Arab Emirates, his sons Eric and Donald Jr. had already traveled the Middle East extensively in recent weeks. They were drumming up business for The Trump Organization, which they are running in their father’s stead while he’s in the White House.

U.S. President Donald Trump touched down in Saudi Arabia aboard Air Force One on Tuesday on the first stop of four day visit to the region, the first major overseas trip of his second term, with a focus on securing investment in the U.