Acquisition of signal! #Sentinel3 solar arrays full deployed. Live: https://t.co/RjpkNUwAvh pic.twitter.com/G5376gOeWC — ESA (@esa) April 25, 2018

Ground Operations Manager announces 5 minutes to expected AoS (that's Acquisition of Signal from #Sentinel3 B)…. nearly there…. — ESA Operations (@esaoperations) April 25, 2018

NOW: Live coverage of #Sentinel3 separation and signal acquisition: https://t.co/RjpkNUwAvh pic.twitter.com/TRJxbuP82R — ESA (@esa) April 25, 2018

The handover of the ownership of the #Sentinel3 B satellite from @esa to the #EuropeanUnion (represented by @EU_Commission) has officially taken place! pic.twitter.com/8Bq9KdC4fA — ESA EarthObservation (@ESA_EO) April 25, 2018

Commentary on the webstream resumes at 19:10 GMT (21:10 CEST) with updates from @esaoperations on #Sentinel3 separation and acquisition of signal. https://t.co/RjpkNUwAvh pic.twitter.com/iUCBvohLj9 — ESA (@esa) April 25, 2018

#Sentinel3 B well on her way now. Both 1st and 2nd stages of the Rockot launcher have completed their burns and #BreezeKM upper stage is now powering the spacecraft into […]

We have liftoff for #Sentinel3 B! Tune in live: https://t.co/l8yfauagtS pic.twitter.com/wjdiCW25O3 — ESA EarthObservation (@ESA_EO) April 25, 2018

#Sentinel3 B on it’s way into Orbit. Good Luck! 👏 Waiting for first signal expected in approx. 80 minutes. pic.twitter.com/LOUAfLz8ZS — Jan Wörner (@janwoerner) April 25, 2018

Liftoff! #Sentinel3 Watch live: https://t.co/RjpkNUwAvh pic.twitter.com/L6eZDLSts3 — ESA (@esa) April 25, 2018

In case you missed the final roll-call earlier this evening…. #Sentinel3 launch is GREEN. Liftoff in ~5 minutes. https://t.co/KBE7CskFnm — ESA (@esa) April 25, 2018