Vladimir Putin: “Russia developing nuclear arsenal ‘immune to interception'”
A new heavy intercontinental ballistic missile (ICBM) called Sarmat is under testing
US offer first reaction to EU defence PESCO pact
Once Britain leaves the EU 80% of NATO defence spending will come from non-EU allies
Digitizing military will cost Europe up to €41 billion per year
Forces need systems upgrades and more cyberwarriors to be fit for future, analysts say