In a sign of the growing security nerves in Europe, France has embarked on a $1.7 billion (€1.5 billion) renovation of an air base in remote hills in the east of the country so it can handle nuclear-armed bombers. The work will take a decade but from 2035 the Luxeuil-Saint Sauveur base will be twice the size it is now and it will house new generation hypersonic missiles carried by 50 of France's Rafale fighter jets.President Emmanuel Macron announced at the base in March – on the day that US Pre