Colin Demarest

The U.S. military employed hundreds of people and some 176 aircraft over the weekend to rescue the crew of an Air Force F-15E Strike Eagle downed deep inside Iran.The big picture: This "air armada,...

The ousters of Army Chief of Staff Gen. Randy George and Army Gen. David Hodne blindsided military leaders and have generated concern among defense officials about the implications for the war in I...

The U.S. holds an "extremely small" lead on China in the AI race, in part because authoritarian governments have certain advantages in deploying new technology, Anduril Industries founder Palmer Lu...

The U.S. lacks the "political will" and popular consensus to put boots on the ground in Iran after decades of "adventures" in the Middle East, Anduril Industries founder Palmer Luckey said on "The ...

Azerbaijan's ambassador to the U.S. told Axios his country is taking "appropriate defensive and precautionary measures" following an Iranian drone strike on the Nakhchivan exclave.Asked if he was w...

In less than one week, the Iran war has produced a remarkable string of combat firsts that pull back the curtain on an American military boosted by AI and stocked with upgraded weapons.Why it matte...

Anthropic's AI tools are now battle-tested, in two radically different military operations — but the Trump administration is still threatening to pull the plug.Why it matters: The international rac...

Today's metrics don't give the U.S. military an accurate sense of its own readiness, as the Pentagon battles outdated procurement procedures and other countries quickly up-gun their troops, accordi...

Canada's first-ever defense-industrial strategy, published this month, suggests it, like Europe, can no longer count on the U.S. to be a security backstop, economically or militarily."Long-held ass...

The counter-drone weapon that caused a shutdown of El Paso's airspace on Wednesday was AeroVironment's LOCUST, a 20-kilowatt laser system, Axios has confirmed.Why it matters: The Army sees the cutt...

Tomorrow, the world lurches toward an age of international uncertainty and increased nuclear-weapons spending. New START is expiring.Why it matters: The treaty capped and encouraged inspections of ...

World powers see space as a future battlefield. The consequences are enormous.The big picture: Tomorrow's war will be fought in the stars above as well as on the ground below. Preparations are happ...

Rebranding the Department of Defense as the Department of War will cost between $10 million and $125 million — but could cost hundreds of millions more if lawmakers make it official, according to t...

The world's understanding of how President Trump intends to wield the American military and influence the industry that arms it changed dramatically in two weeks flat.The big picture: In the earlie...