Business Insider: Turkey may soon put its controversial Russian S-400 air defenses in operation
Turkey may deploy its Russian S-400 Triumf air defenses on the Iraqi border - US officials have warned Turkey against "activating" it
Reuters: Russia warns of direct clash with West over Ukraine
"The Westerners are teetering dangerously on the brink of a direct military clash between nuclear powers, which is fraught with catastrophic consequences"
Politico: Who’s the boss when it comes to defense: NATO or the EU? – Analysis
Both NATO and the EU want to spend a €100 billion on defense — and that’s leading to clashes between the two Brussels-based institutions