Ray Dalio says tariffs have an important consequence: They can prepare the US for a great conflict or peer war
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Confusion gripped US base defenders just before a flying bomb struck a deadly blow at Tower 22, investigation reveals
An Army investigation obtained by BI outlines what went wrong before the deadly drone attack at a US military outpost in Jordan last year.
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Germany is permanently stationing troops in another country for the first time since World War II
Germany is putting thousands of troops in Lithuania, a NATO member that borders Russia. It's the first long-term deployment abroad since World War II.
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Swarms of military drones will be part of NATO's arsenal soon if this country gets its way
Sweden's defense minister said his country is "laser-focused" on making swarm drones, and quickly. It's a capability not yet seen in drone warfare.
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Eerie photos capture BI's journey into the ghost town near Chernobyl. 50,000 people lived here before nuclear disaster struck.
Business Insider recently traveled to Pripyat, a city in northern Ukraine that was evacuated and abandoned after the Chernobyl disaster.
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Putin's Chechen warlord has put a 17-year-old in charge of his republic's security
Adam Kadyrov, 17, is in charge of Chechnya's internal affairs ministry, which oversees police and local security forces in the Russian region.
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US aircraft carriers are on the move. More firepower is going to the Middle East.
The Pentagon is sending the USS Carl Vinson to the Middle East and extending the deployment of USS Harry S. Truman, which is already there.
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How a Canadian chef-turned-drone pilot scored his first air-to-air kill against a deadly Russian Lancet drone
The pilot, call sign "Butcher," took down a Russian Lancet drone with a fixed-wing drone in a kill that was caught on camera.
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US Marines have a new 'attack drone team' that's taking lessons straight out of the war in Ukraine
The Corps is pairing the new attack drone team with its prestigious shooting team. Rifles are cornerstones for the service. Drones could be too.
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A US ally is buying dozens of ships to combat threats from Russia and to protect underwater cables
Denmark is boosting its navy amid rising threats from Russia in the Baltic Sea, as well as intensifying rivalries in the Arctic.
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The good, the bad, and the 'screamers': A Brit who fought for Ukraine reveals how international fighters make their mark
Macer Gifford, who fought in Ukraine for two years, told BI about the inspiring — and sometimes troubled — international volunteers he'd seen there.
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A Ukrainian unit is hunting down dozens of Russian drones with a flying double-barrel shotgun
The Ukrainian design likely uses a recoilless gun concept, which hails from World War I's Davis gun.
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The US Navy is taking a 'SpaceX approach' to underwater drones, submarine force commander says
"What we find is we learn a lot more when we get it in the crew's hands," Submarine Forces Commander Vice Adm. Gaucher said.
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Trump's threat to Iran that 'there will be bombing' comes amid new B-2 stealth bomber moves
Air Force Global Strike Command confirmed that B-2s have deployed to Diego Garcia, a US-UK military base.
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Former Air Force secretary says he doubts US allies would be willing to buy an export version of the F-47
Frank Kendall, the former Air Force secretary, said he doubted US allies would be lining up to buy F-47s given its costs and concerns over Trump.
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Here's why the US is picking a fight with Denmark over Greenland — and what Greenland thinks about it
Trump has dreams of Greenland. But the semiautonomous territory of Denmark wants no part of it.
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History suggests Ukraine needs heavily armed peacekeepers to have a chance of success
Peacekeepers have frequently failed to prevent wars. Ukraine's best chance to keep the peace is mechanized forces with a clear mandate.
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Bleak images show snapshots of daily life in the closed world of North Korea
Photos show daily life in remote parts of North Korea and its capital, Pyongyang. Slogans and propaganda are common sights on buildings.
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Pete Hegseth signs memo to shrink Defense Department's workforce in a bid to boost efficiency and 'incentivize top performers'
The DOD will "realign the size" of its civilian workforce and "strategically restructure," the memo said.
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Beyond his bright blue suits, Pete Hegseth's unconventional style is 'operator casual'
Secretary of Defense Pete Hegseth plays the Washington suit game in his own way, but he's got another kind of unusual look — operator casual.
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From F-35s to F-47s, Trump is making turbulence for Lockheed
Some allies are rethinking the F-35 as a new contract decision upends Lockheed's longtime dominance in stealth fighter aircraft.
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Artillery was Russia's 'god of war' long before Ukraine
In the Ukraine war, it is artillery that has enabled tactically clumsy Russian infantry and armor to advance. Stalin once called it the "god of war."
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What is a SCIF? Inside the high-security rooms that keep military secrets safe — unlike a Signal chat
Government and military officials handle classified discussions within SCIF rooms to safeguard top-secret information from adversaries.
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How fighting Russia in Ukraine actually works, according to a Ukrainian army volunteer
Macer Gifford was a volunteer fighter in Ukraine. He discusses what the war against Russia is like on the front lines.
Trump's strengthened airstrikes on Houthi rebels — but it's likely to take months to tell if it makes a difference
Trump has ramped up bombing in Yemen to combat the Houthi rebels. But airstrikes alone may take months, if at all, to deter the Iran-armed group.
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Ukraine's spy agency says Russia believes it must end the war by 2026 or risk falling far behind the US and China
Vadym Skibitsky, the deputy head of GUR, said Russia fears an extended war would confine it to "forever remain a regional player" in Eastern Europe.
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See inside Greenland's sole US military base, the only place JD Vance is set to visit amid Trump's territorial ambitions
Vice President JD Vance and Usha Vance will visit Pituffik Space Base, the US military's base in Greenland dating back to World War II.
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The shipbuilding industrial base is warning that the US Navy's aircraft carrier delay could be a disaster
Without a start date for CVN 82, USS William J. Clinton, thousands of suppliers are worried their production lines will go cold.
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NATO's newest ally is sending its Gripen jets made for war with Russia out to patrol alliance borders for the first time
Sweden sent its Gripen jets to a NATO air defense mission in Poland, shifting from conducting missions only over its own territory.
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The UK plans to put its DragonFire laser weapon on 4 of its warships
The UK is moving forward with plans to deploy its new DragonFire laser weapon on warships. Lasers could offer a cheap defense against aerial threats.
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Why hunting submarines could get a lot harder as the seas heat up
Submarines need to operate stealthily and quietly. In some areas, warming waters and changing salinity levels could make that easier.
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Ukraine says its latest attack on a Russian air base blew up 96 cruise missiles
Ukraine said a recent attack on Russia's Engels-2 air base destroyed 96 cruise missiles. Satellite images show blackened craters.
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Trump is making some US allies question the F-35, creating a golden opportunity for European defense companies
Trump's actions have caused some US allies to reconsider their commitment to buying F-35s. It could be a big opportunity for European jet makers.
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Inside a Ukrainian company making exploding unjammable drones built to beat Russia's electronic warfare
Business Insider visited a Ukrainian company making fiber-optic drones in Kyiv. This is what it's like inside the operation.
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Ukrainian F-16 pilot says Russia's battlefield actions show its troops think NATO jets are higher quality and fear them
"They are afraid to approach us," the pilot said. "After all, there is a living person sitting there, too, who also does not want to die."
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See photos of Camp Century, a secret US military base built beneath Greenland's ice sheet
Camp Century was built to store nukes beneath Greenland's ice. See photos of the underground, "Star Wars"-like site.
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What is good OPSEC? Not putting attack plans in a Signal chat.
OPSEC, or operational security, is a military priority. Accidentally sharing combat action plans over an unsecured app is what they want to avoid.
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31 rare photos of Kim Jong Un and his family
The Kim family has ruled North Korea since 1948. Photos show Kim Jong Un's relatives, from his grandfather to his daughter, who may lead one day.
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Am I the JD Vance of my group chat?
The Signal group chat with officials like Pete Hegseth talking about war is serious. It's also a view into texting styles. Turns out, I'm a JD Vance.
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I'm a veteran and military spouse. Getting fired by the government makes me feel like the US doesn't care about us who've served.
Kira Carrigan said her sudden firing has done more than scramble her plans — it's made her question the US's appreciation for military families.
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Russia is dangling the prospect of major economic deals with the US, while pursuing its aggressive goals in Ukraine
Russia is raising tantalizing economic deals with the US in Ukraine peace talks. Space, Arctic economic exploration, and energy are potential areas.
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Taiwan has a new all-purpose sea attack drone after watching how Ukraine smashed Russia's Black Sea Fleet
The Endeavor Manta displaces just five tons of water, but CSBC hopes it can be used as a drone jammer, loitering munition, and to fire torpedoes.
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See the competing F-47 stealth fighter jet concepts from Boeing, Lockheed, and more that led to the Air Force's NGAD
See the evolution of Boeing's design of the F-47, a sixth-generation stealth fighter jet, compared with competing NGAD concepts from Lockheed and others.
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Veterans are roasting top Trump officials over their Signal group chat
Military social media is filled with memes about Trump officials' use of Signal to discuss plans for airstrikes on Yemen.
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An oil pumping station in Russia burned for a week after a drone strike. The company says it's affected shareholders.
A Russian oil pumping station burned for a week after a drone strike. CPC said oil transfer is halted, impacting its international shareholders.
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Trump's F-47 decision is upsetting Lockheed's dominance in the stealth fighter game
Lockheed has been a leader in stealth aircraft, playing a prominent role in both US fifth-gen fighters. It won't be building the first sixth-gen jet.
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Here's how a top satellite imagery company plans to fly drones through intense GPS jamming
Maxar Intelligence has announced Raptor, which it says is a "first-of-its-kind" software for navigating drones in contested environments without GPS.
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US allies in the Middle East are racing to get new laser defense weapons
Cheap drones are exposing gaps in current air defense systems, and countries in the Middle East are looking to laser weapons for answers.
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I'm a military spouse and thought solo parenting would be fine while my husband was deployed. Then I got pregnant.
Naomi Carmen's military husband was gone a third of the year for three years. She'd been a single mom and thought it'd be fine but pregnancy changed that.
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