An employee works on a service module Sentinel 3C during a press presentation at the Thales Alenia Space facilities in Cannes, southeastern France, on April 16, 2026. Three satellites were presented : the Copernicus Sentinel-3C Earth observation satellite, FLuorescence EXplorer (FLEX), and the second imager of the Meteosat Third Generation programme before their departure for a launch site. (Photo by Frederic DIDES / France / AFP via Getty Images)