Did you know the United States' F-35 Lightning II fighter jet's helmet costs more than a luxurious home in Mumbai or even a ...

The French Navy needed a fighter that could land on short carriers. What they got was a 1,086 mph American jet that hauled 4 missiles and 4 cannons — and nearly broke its own pilots on the way down.

While its missiles strike Ukraine, Russian titanium still powers its defense industry. A critical metal slips through ...