A preliminary report points to a significant mechanical problem before a deadly police helicopter crash that happened during a shootout in Flagstaff, Arizona. The crash Feb. 4 killed 28-year-old Arizo ...

The story of how British innovation and American production combined to create the Merlin-powered P-51 Mustang, the long-range fighter that secured air superiority over Germany in WWII.

Donald Trump said the US is 'very far' ahead of the initial timeframe in its war with Iran, and has made a renewed Strait of Hormuz threat as chaos grips the oil market ...