The Northrop Tacit Blue was often overshadowed by its predecessor, the Lockheed Have Blue stealth demonstrator, but in reality it was one of the most transformational secret aircraft test programs ...

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.

Here’s What You Need to Know: The premise behind Tacit Rainbow was to eliminate or suppress enemy air defenses using a loitering munition equipped with an anti-radiation guidance system. In the 1980s, ...