Northrop’s Tacit Blue stealth research demonstrator made its first flight from Groom Lake — better known as Area 51 — in 1982, eventually making approximately 130 test flights so classified that the U ...

In 1996, the Tacit Blue technology demonstrator was revealed to the public. The airframe was highly unusual. Nicknamed “the whale” or “alien school bus,” Tacit Blue looked like, well a tissue box.

Military aircraft are a little bit like sports cars. Form follows function to make something utterly striking, regardless of whether beauty has any tactically relevant advantage. But form must follow ...

They say that you should never judge a book by its cover, but this is also true in the world of technology. Some devices look sleek, aesthetically pleasing and boast a range of color options.

Not every program DARPA undertakes can be another Big Dog—the agency has had its fair share of fizzled experiments over the years—but even those failures can yield exciting new insights. Just look at ...

In the early 1980s, a revolutionary and highly secretive aircraft known as Tacit Blue took its first-ever test flights over the Nevada landscape. Curved, stealthy and straight out of a science fiction ...

It looks like an upside-down bathtub with wings, pretty odd for a spy jet that was among the nation’s most highly classified pieces of military hardware. As I stand in front of the plane code-named ...

10 Secret Warplanes of the Cold War ...