The first high speed wind tunnel used to measure the droplet size from aerial applications begins operation at the USDA-ARS aerial research facility in College Station, Texas. This wind tunnel provided accurate droplet size data for aerial applications, which allowed for agricultural aircraft to be better equipped with spray equipment that properly balanced efficacy and drift mitigation. The data has since become critical for getting pesticides registered for aerial applications. Aerial applicators rely on the data for setting up their aircraft to make safe and accurate applications.