air traffic control

Airport security screeners and air-traffic control workers would be required to work, though absenteeism could be a problem.

Travel expert Simon Calder posted to his 197,000 followers on X, which is formerly known as Twitter, that flights had returned to normal on Friday morning "with a few knock-on delays following the latest issue with air-traffic control".

Meanwhile, United Airlines blamed FAA air-traffic control staffing shortages for delays and cancellations earlier this summer and scaled back Newark, New Jersey, routes as a result.

It is not clear how the spending caps would affect specific government operations, though the Department of Transportation this week said it would shut down 375 air-traffic control towers and the Department of Agriculture said it could make it harder for nearly 1 million Americans to access federal food aid.

The Defense Ministry said later that the military had “conducted a training session … with civilian air-traffic control authorities” focused on “detecting, intercepting and identifying the alleged target of the intruder.”