How Ukrainian drone pilots are changing the course of the war against Russia

This week marks one year since Russia's full-scale invasion of Ukraine. In the eastern part of the country, frontline units are working to modernize a war that has often seemed an echo from last century. Nick Schifrin and videographer Eric O'Connor traveled to the Donetsk Province and report on Ukrainian soldiers using drones in the hunt for Russian troops. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders