It's almost time for another #Sentinel to join the watchers-in-the-sky squad! How has @CopernicusEU #Sentinel3 -B been preparing for launch?
Full interview here: https://t.co/QcsrkL4NfU @esa pic.twitter.com/2mdB5vnpuV

— ESA EarthObservation (@ESA_EO) January 31, 2018