Celebrate the Global Precipitation Measurement Mission's 10th Anniversary! The NASA / JAXA GPM Core Observatory satellite launched on Feb. 27, 2014 from Tanagashima Space Center in Japan, marking the start of the Global Precipitation Measurement mission. We will celebrate this ten-year anniversary throughout 2024 with special events and opportunities. We invite all of you to join us as we share how this international constellation has improved life around the globe. About GPM The GPM Mission & Core Observatory Satellite GPM Applications & Societal Benefits IMERG - A Global Map of Earth's Rain