The recent chronic delays and cancellations at New Jersey’s largest airport have highlighted the shortage of air traffic controllers and the aging equipment they use, which President Donald Trump's administration wants to replace.

The award-winning new Terminal A may be the pride of Newark Liberty International Airport. But behind the scenes, the technology that’s keeping the planes in the sky is frighteningly out of date. Some of it relies on floppy discs and used parts sourced from eBay, federal officials said this week.