Ukraine's battlefield churn showed the West how much its weapons-making needed an overhaul, NATO official says

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A man in camouflage gear stands with his back turned to the camera with a major piece of weaponry and smoke coming out of it behind him, all on a field and under a cloudy sky
Ukraine is rapidly producing and adapting weapons, and NATO militaries are closely watching.

Roman Chop/Global Images Ukraine via Getty Images

NATO's falling behind in the race to build icebreakers, critical tools for a war in the Arctic

Tech Insider : Business, Economy
An Icebreaker making the path for a cargo ship with an iceberg in the background near a port on the Alexandra Land island near Nagurskoye, Russia, Monday, May 17, 2021.
An icebreaker makes a path for a cargo ship near Russia.

AP Photo/Alexander Zemlianichenko

Ukrainian soldiers are forced to heavily rely on drones, even when other weapons might work better

Tech Insider : Business, Politics, Technology
Four figures in camouflage around a large black drone in a field
The drone fight is rapidly evolving, and schools need to stay on top of its developments.

FLORENT VERGNES/AFP via Getty Images

Russia can't match NATO's conventional strength, so it's betting on submarines and nuclear asymmetry, commander says

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A Russian submarine is followed by British ships in the English Channel in 2025.
British forces track a Russian submarine in December.

Royal Navy

Russia's Arctic units have been wrecked in Ukraine, but NATO is bracing for a 'dangerous' comeback

Tech Insider : Business, Technology
Danish military forces participate in a military exercise with hundreds of troops from several European NATO members in the Arctic Ocean in Nuuk, Greenland, Monday, Sept. 15, 2025.
NATO forces participate in a military exercise in the Arctic Ocean in September.

AP Photo/Ebrahim Noroozi

NATO is deploying a drone carrier to its eastern edge after repeated Russian airspace incursions

Tech Insider : Business
The Turkish Navy amphibious assault ship TCG Anadolu (L400) steams in the Mediterranean Sea, August 21, 2023.
NATO is deploying a Turkish drone carrier to Russia's doorstep.

US Navy photo by Mass Communication Specialist 2nd Class Jackson Adkins

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

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