Transportation Secretary Sean Duffy called for a massive investment of billions of dollars in the country’s air traffic control system following a series of issues that have plagued it, most

US Transportation Secretary Sean Duffy called for the construction of six new air traffic control centers and the replacement of more than 600 radars in a broad proposal to overhaul the country’s aging system that manages some 45,

AR airplane flies past the tower where air traffic controllers work at Reagan National Airport in Washington, U.S., January 12, 2019. REUTERS/Joshua Roberts/File Photo WASHINGTON (Reuters) - U.S Transportation Secretary Sean Duffy on Thursday called on Congress to provide billions of dollars to replace the Federal Aviation Administration's crumbling telecommunications equipment and radar systems,