Transportation Secretary Sean Duffy unveiled a sweeping plan to replace decades-old infrastructure to boost safety, cut delays, and support future air travel in a move to modernize the United States’s air traffic control system.

The Trump administration's announcement comes as Newark Liberty International Airport continues to deal with disruptions following an outage last week.

A deadly midair collision in January between a military helicopter and a commercial airliner, and several crashes since, have prompted officials to focus on fixing the nation’s outdated air traffic co