This is the extraordinary moment a police helicopter narrowly avoided a collision with a US fighter jet as it searched for drones above an RAF base. New footage released by the National Police Air ...

The night was warm and muggy over New Castle Air Force Base in Delaware, the kind of heat that clung to the metal skins of the alert fighter jets lined along the runway.

The days of fighter jets outrunning ground defenses are long since past, and new aerial innovations are focused on stealth and sensor technology. But raw speed still has a place. Supersonic flight, ...