Russia's war in Ukraine has made its formidable air defenses an even tougher challenge for NATO, airpower analyst warns

Tech Insider : Business, Politics
A large green air defense system on wheels with six missiles with red bottoms drives on a street with soldiers beside it under a grey sky and before an elaborate red-brick building
Russia's powerful air defenses have seen attrition in Ukraine, but it has also learned valuable experience about how to upgrade and use them.

DIMITAR DILKOFF/AFP via Getty Images

Combat has changed since Finland's bloody Winter War with Russia, but this classic tactic endures

Tech Insider : Business, Technology
Wearing white clothing as camouflage, these Finnish troops are on outpost duty on the Finnish-Russian front in 1939.
Lessons from Finland's brief but bloody Winter War against the Soviet Union still apply today.

Hulton Archive/Getty Images

US Army leaders say soldiers are drowning in so much battlefield data that AI is needed to make sense of it all

Tech Insider : Business, Technology
Multiple rocket systems fire from the ground towards an overcast sky.
The US Army recently conducted its Dynamic Front exercise with NATO allies and partners.

US Army photo by Capt. Alexander Watkins

NATO soldiers say they can't let their guns get too warm if they want them to work on frozen battlefields

Tech Insider : Business, Environment, Technology
A NATO soldier moves during a training course in northern Finland in January 2026.
NATO military personnel training in Finland say they can't let their guns get too warm if they want them to work in the Arctic.

Jake Epstein/Business Insider

Canada is having a moment — and the world is finally paying attention

Tech Insider : Economy, Politics, Economy
Mark Carney, Prime Minister of Canada, holding card, the Canadian maple leaf and hand holding phone, streaming Heated Rivalry.

Mandel Ngan/Getty Images; Sabrina Lantos/Courtesy of HBO Max; Alyssa Powell/BI

It's a best-of-times, worst-of-times scenario for Canada on the global stage.

For Western forces in the Arctic, the cold itself is one of their toughest enemies

Tech Insider : Business, Environment
A NATO soldier rides a snowmobile in northern Finland in January 2026.
In Arctic warfare, surviving the elements is a fight all on its own.

Jake Epstein/Business Insider

Snowmobiles, skis, and laser tag: How NATO soldiers train for Arctic assaults

Tech Insider : Business, Environment, Travel
A Finnish soldier walks on her skis in northern Finland in January 2026.
A small group of NATO soldiers are in the middle of an Arctic warfare training course in northern Finland.

Jake Epstein/Business Insider

A NATO fighter wing showed up for front-line air patrols with drone defenses for the first time

Tech Insider : Business, Technology
An EF-18 of the Spanish Air Force 15th Wing at Šiauliai Air Base in Lithuania in January 2026.
A Spanish EF-18 on the tarmac before takeoff at Šiauliai. Some elements of the image have been obscured for security reasons at the request of the Spanish Air Force.

Jake Epstein/Business Insider

Why this NATO fighter wing says its American-made Hornets work well for front-line air patrols

Tech Insider : Business, Technology, Travel
A McDonnell Douglas EF-18A Hornet of the Spanish Air Force takes off from the Torrejon de Ardoz military base in Madrid, Spain, on October 12, 2025.
Spain has deployed roughly a dozen EF-18 Hornet fighter jets to Lithuania in support of NATO air policing operations.

Joan Valls/Urbanandsport/NurPhoto via Getty Images

Just 15 minutes to launch: Inside the sprint for the front-line NATO fighter pilots on scramble alert

Tech Insider : Business, Style
A McDonnell Douglas EF-18B Hornet of the Spanish Air Force flies over the Torrejon de Ardoz military base in Madrid, Spain, on October 12, 2025.
Spain deployed EF-18 fighter jets to Lithuania last month to support NATO air policing operations.

Joan Valls/Urbanandsport/NurPhoto via Getty Images

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