Drones keep shutting down European airports. This hybrid warfare could be a sign of worse to come, one analyst says.

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The Danish police are seen at Copenhagen Airport, in Kastrup near Copenhagen, on September 22, 2025.
Danish police at Copenhagen Airport on September 22.

STEVEN KNAP/Ritzau Scanpix/AFP via Getty Images

Front-line NATO allies are facing an unconventional Russian threat short of war but still quite dangerous

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Russian President Vladimir Putin looks to Naval officers during the Navy Day Parade, on July, 31 2022, in Saint Petersburg, Russia.
Russian President Vladimir Putin looks to Naval officers during the Navy Day Parade, on July, 31 2022, in Saint Petersburg, Russia.

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Russia may not start an all-out war with NATO, but already has plans to destroy it from within

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Nato exercises
Romanian Army Piranha IIIH MRV is seen in action during a military high-intensity training session of Anaconda 23 at Nowa Deba training ground, on May 6, 2023, in Nowa Deba, Poland.

Anadolu via Getty Images

Ukraine isn't the only country Russia is trying to topple

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Russian President Vladimir Putin.
Russia's state-sponsored mercenaries are expanding efforts to destabilize Africa and the Middle East.

Alexander Zemlianichenko/AP

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