President Donald Trump is set to visit a U.S. installation at the center of American involvement in the Middle East as he uses his four-day visit to Gulf states to reject the “interventionism” of America’s past in the region.

The emirate, once called “a funder of terrorism” by President Trump, has spent lavishly on overhauling its global reputation.

State carrier Qatar Airways signed a deal on Wednesday to purchase up to 210 widebody jets from Boeing during President Donald Trump's visit to the Gulf Arab country, a coup for the U.S. planemaker. The deal for Boeing 777X and 787 planes with GE Aerospace engines was worth $96 billion,