Can't do a pull-up? This Marine colonel told us how to get your first rep

Tech Insider : Business
Marine corps colonel Misty Posey's pull-up program has become a popular method for some Marines hoping to boost their reps.
Marine Corps colonel Misty Posey's pull-up program has become a popular method for some Marines hoping to boost their reps. Here, Posey, far left, coaches some students.

Lance Cpl. Cody Fitzgerald/US Marine Corps

Iran's drone war is exposing deep cracks in US and allied air defenses

Tech Insider : Business, Economy, Style
Ukraine has become the world leader in defending against attack drones after four years of war with Russia.
Ukraine has become the world leader in defending against attack drones after four years of war with Russia.

Viktor Lysenko/BI

Inside NATO's 'Sentry' missions and the urgent drive to ready for new threats

Tech Insider : Business, Style
A British tanker aircraft refuels fighter jets during a mission in November 2025.
A British Voyager tanker aircraft refuels fighter jets during a November 2025 mission in support of Eastern Sentry.

Jake Epstein/Business Insider

The value of cheap weapons in modern war isn't just the low price

Tech Insider : Business, Politics
A man in camouflage stands under netting between trees under a grey sky, holding a large artillery shell
Ukraine is showing the value of masses of cheap weaponry in modern war.

Ukrinform/NurPhoto via Getty Images

The US Navy is pouring almost $1 billion into automating submarine production amid skilled worker shortages

Tech Insider : Business
A long black submarine sails in dark blue water with a cloudy sky in the background.
TK

US Navy photo by Neil Boorjian

Drones haven't won the fight in Ukraine. That matters as the West learns new ways of war.

Tech Insider : Business, Technology
Two figures in green look at a grey drone flying in the air, over a brown field and under a blue sky
Ukraine and Russia are using more drones than have ever been seen in war, but neither side has won.

Ivan Antypenko/Suspilne Ukraine/JSC "UA:PBC"/Global Images Ukraine via Getty Images

How Army paratroopers heading to Iran are trained to jump from airplanes

Tech Insider : Business, Style

Total air defense is effectively impossible. In a major war, the West may have to make hard choices.

Tech Insider : Business, Environment, Politics
Two figures in camouflage stand with their backs turned in a foggy area looking at a large piece of weaponry
The West has strong air defense systems, but would still have to make choices about where to protect in a large-scale war.

Sean Gallup/Getty Images

The US military is pushing up production for the weapons that could matter most in a major war

Tech Insider : Business
A missile is fired from a launcher in a desert.
TK

US Central Command Public Affairs

The US has less than a month left of advanced THAAD and PrSM ammo as it fights Iran, analysts say

Tech Insider : Business
A US military video shows a PrSM missile launch.
A Precision Strike Missile (PrSM) launch.

US Central Command/Screengrab via X

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