Uhhh... editor/author/LLM was asleep here. There are 4 sentinel-1 sats in orbit, but one of them has been decommissioned because of system failure... as the article itself states.
You are right. It should be something like “Replacement Sentinel-1 Satellite is Live, Ensuring the Future of ESA‘s Copernicus Program”
You are right. It should be something like “Replacement Sentinel-1 Satellite is Live, Ensuring the Future of ESA‘s Copernicus Program”