King Charles III shakes hands with U.S. Chief of Protocol Monica Crowley as Queen Camilla deplanes and British Ambassador to the United States Christian Turner, second from left, looks on, at Joint Base Andrews, Md., Monday, April 27, 2026. They are in the U.S. for a four-day state visit aimed at celebrating the United States' 250th anniversary, including a White House state dinner and a speech to Congress. (AP Photo/Rod Lamkey, Jr.)