Air traffic controllers across the country have grappled with radar and communications outages for years, CNN review finds.

To recap, on April 28, air traffic controllers handling inbound traffic at Newark experienced a brief radar and radio outage. Similar failures have occurred at least three times since then, and in response,

An air traffic controller was left 'traumatized' and placed on leave after being the only one on duty for Newark Liberty International Airport when the system blacked out, per 'The Times.'