Researchers from NASA Harvest and NASA LCLUC worked on estimating Ukraine wheat production during the war using satellite data. Russia’s further invasion of Ukraine in February 2022 fueled widespread concern about the effects on the country’s farming sector. In the early days of the crisis, food security specialists wondered if Ukrainian farmers would be able to harvest the wheat and barley they had planted the previous fall. They also worried that declining grain exports from Ukraine might throw global markets into turmoil and trigger food shortages continents away.