The Russian military is continuing to implement longstanding plans likely in preparation for a possible future war with NATO, experts have warned.

NATO considers "more aggressive" stance against Russia's hybrid warfare, including pre-emptive cyber operations, as tensions escalate over sabotage.

Norway inked a deal to buy a number of the British frigates worth more than $13 billion in August. The U.K. and Norway, like other NATO nations, have pledged to increase defense spending and speed up equipment procurement in the face of Russia's military build-up.

Turkish Foreign Minister Hakan Fidan and NATO Secretary General Mark Rutte discussed Black Sea safety on Wednesday, a Turkish Foreign Ministry source said, after Ankara expressed alarm at attacks on Russia-linked tankers,

German Foreign Minister Johann Wadephul warns that intelligence shows Russia may attack NATO by 2029, citing Moscow's military buildup and economic shift toward war.

NATO countries have said they constantly experience hybrid attacks, some of which have been attributed to Russia.

Russia said on Monday that remarks by NATO's most senior military officer that the U.S.-led military alliance could consider a "pre-emptive strike" to be extremely irresponsible and an attempt to move towards escalation.

After being blindsided by President Donald Trump’s 28-point plan last month, some Europeans have expressed extreme disquiet at being apparently sidelined in talks.

While the U.S. has taken part in previous iterations of the military exercise, this year's U.S. footprint was smaller as allied nations are pressed by the Trump administration to put more into European defense.

NATO Secretary Gen. Mark Rutte warned Russian President Vladimir Putin on Wednesday that the alliance was “ready and willing” to take on Moscow if it attacks — with the European Union