The solution for Concorde was an elegant delta- or triangular-shaped wing reminiscent of 1950s military aircraft. It had few moveable parts compared to the wing of a subsonic jet, but the sleek ...

So they explained the aircraft sightings by saying they were "natural phenomena" and "high-altitude weather research." The testing of the U-2 ended in the late 1950s; but, Area 51 has continued to ...

The all-weather, twin-engine Northrop F-89 Scorpion was the first jet-powered interceptor aircraft designed specifically ...