Piet De Staercke, from back right to left, with his wife Jill Bornauw, their eldest son Stan De Staercke, watch their youngest Tuur de Staercke, get screened by a Custom Border Protection officer, right, in the port of entry at Washington Dulles International Airport in Chantilly, Va. Monday, April 1, 2024. The Belgian family of four, used the Mobile Passport Control app, the newest technology in international travel, to ease their way to their port of entry. Within minutes they had bypassed a long line of people waiting at the airport's passport control and were waiting for their luggage. (AP Photo/Manuel Balce Ceneta)