Aeolus is the first satellite mission to acquire profiles of Earth’s wind on a global scale.

Aeolus is the first satellite mission to acquire profiles of Earth’s wind on a global scale. These near-realtime observations will improve the accuracy of numerical weather and climate prediction and advance our understanding of tropical dynamics and processes relevant to climate variability.

https://www.esa.int/Our_Activities/Observing_the_Earth/Aeolus/Introducing_Aeolus