These look neat flying through the night, but they're not just there for aesthetic purposes. Those red and green lights play a vital role in aircraft navigation, ensuring that anyone watching from ...

Along with details of dogfights over the German-occupied Rhine Valley, pilots began reporting inexplicable lights following their aircraft. One night in November 1944, a Bristol Beaufighter crew ...

But how do these lights help pilots determine the direction of other aircraft? Now, imagine you are a pilot flying a plane in the night. It is pitch black outside, and you see red and green lights ...