carriers to adopt a modern air traffic control system. it s called next gen and it includes switching from radios to smart texting technology found in cell phones. lauren katz oversees american operations across the country. in charlotte you re working with nasa in a pilot program to get your planes in the airuicker. absolutely. we developed a system that allows us to push back aircraft at a specific time to eliminate taxi delays. reporter: katz recently spearheaded the shift from ground based radar tracking that relies on paper strips in control t towers in favor of gps tracking. he seemed to get an endorsement from president trump. a modern air traffic control system will make life better for all americans who travel, ship or fly. reporter: next gen does have