Thales Alenia Space has started the development of Sentinel 1B and 3B Earth observation satellites in its Italian and French facilities. These contracts have been awarded to Thales Alenia Space in December 2009, worth 270 million euros, by the European Space Agency (ESA) as part of the Global Monitoring for Environment and Security (GMES) programme.
As prime contractor for Sentinel 1 and Sentinel 3 constellations, Thales Alenia Space is responsible for the design, development, integration and testing of these satellites.
Sentinel 1B and 3B satellites are the duplicate models of Sentinel 1A and 3A satellites that are currently under construction. The satellites are manufactured in the French facility of Cannes as well as in the Italian facilities of Rome and L'Aquila.
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