Following the invasion of Ukraine, and amid the rising geopolitical tensions across the world - fears of an attack on NATO in coming years are heightened.

"We hear threats from the Kremlin almost every day... so we have to take into account that Vladimir Putin might even attack a NATO country one day," said German Defence Minister Boris Pistorius. 

Anti-western rhetoric has been on the rise in Russia, as allies seek to provide Ukraine with enough arms to continue its defence against the Russian war machine.

NATO's Admiral Rob Bauer, said the 'alliance faced "the most dangerous world in decades". 

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