ESA Ends Sentinel-1A Satellite Mission After Twelve Years (heise.de)

• Decommissioned 29 June 2026; operated 12 years vs. planned 7.
• Mission extended after Sentinel-1B anomaly in 2021.
• Replaced by Sentinel-1C and Sentinel-1D.

"ESA decommissioned Sentinel-1A, the first Copernicus satellite, on 29 June 2026 after 12 years of Earth observation, far exceeding its planned 7-year lifetime. The satellite provided radar imagery for environmental monitoring and disaster response."