The Trump administration on Thursday proposed a multibillion-dollar overhaul of a U.S. air traffic control system that it said still relies on floppy disks and replacement parts found on eBay and has come under renewed scrutiny in the wake of recent deadly plane crashes and technical failures.

The Trump administration proposed a multibillion-dollar overhaul of the U.S. air traffic control system on Thursday in the wake of recent deadly plane

The plan calls for six new air traffic control centers, along with technology and communications upgrades at all of the nation’s air traffic facilities over the next three years, said Transportation Secretary Sean Duffy.