Pete Buttigieg returns to Iowa for an event focused on veterans, six years after he burst onto the national political stage with a strong run ahead of the state’s leadoff presidential caucuses.

U.S. Secretary of Transportation Sean Duffy announced a plan Thursday afternoon to replace the country’s aging air traffic control systems.

His call to action an followed outage at New York Newark on April 28 that caused ATC computer screens to go dark for 60 to 90 seconds, reportedly caused by a damaged copper wire. Duffy said the failure of the back-up systems to kick in was an example of why systems need an overhaul.

Sean Duffy announces a massive overhaul of the antiquated air traffic control system to modernize operations and reduce delays.

Transportation Secretary Sean Duffy said he has a plan to upgrade old air traffic control tech but warned more flight disruptions could come first.