Galileo

Service restored after ground based timing system is fixed, but some fluctuations possible until further notice

Experts warn five-day outage is a big ‘reputational hit’ to the multi-billion-euro project

The freedom, and perils, of a plan to build a rival to Galileo and the US global positioning system

Government seeks fallback option, with UK looking set to lose access to key elements of EU satellite system post-Brexit

As row over UK participation in the satnav system grows, Germany’s Christian Ehler says its involvement is “indispensable” for security

Four more satellites join the navigation network in space this week