A Custom Border Protection officer, right, puts his thumb up as Tuur de Staercke, left, gets screened in the port of entry as his family watches 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)
International travelers go down the escalator to get processed at the port of entry at Washington Dulles International Airport in Chantilly, Va. Monday, April 1, 2024. (AP Photo/Manuel Balce Ceneta)
International travelers not using the Mobile Passport Control app, stop and use the portal to get their initial processing and instructions on their next procedure, in the port of entry at Washington Dulles International Airport in Chantilly, Va. Monday, April 1, 2024. A Mobile Passport Control app user can bypass this procedure and go straight to a Custom Border Protection officer for processing easing their way to the port of entry. (AP Photo/Manuel Balce Ceneta)
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)