Business Insider embedded with the crew of a US Army Stryker armored combat vehicle in during a training exercise in Germany.

For "life and death decision-making," Anduril cofounder Palmer Luckey says it's "too critical" to not use the most advanced ...

Business Insider embarked on a British Voyager aircraft to watch it refuel NATO fighter jets around Europe.

The UK had thought of trenches as "pretty clean and sort of surgical," an officer said. But in Ukraine, they are chaotic and ...

New documents reveal how the USS Gettysburg shot down an F/A-18 and nearly hit a second one above the Red Sea last year.

The Pentagon watchdog report on Hegseth's use of Signal revealed he had a "unique" system to access his personal cell phone inside his secure office.

Greatly influenced by Patrick Buchanan's American First ideology, President Donald Trump and the MAGA movement are often described as "isolationists" who reject the hawkish foreign policy of past GOP ...

Col. Gen. Vladimir Chirkin said Moscow's leadership was "unprepared" and misled into thinking 70% of Ukrainians supported ...

Killing a shipwrecked enemy combatant is a "patent violation" of military law, according to a legal expert and the Pentagon's ...

The drones resemble Iranian-designed Shaheds, which Russia has used in devastating strikes on Ukraine throughout the war.

An Air Force citation obtained by Business Insider describes how the pilot survived a harrowing mission in enemy airspace.

Small drones controlled by fiber-optic cables have turned parts of the battlefield into webs, a Ukrainian special operator ...