The SR-71, arguably the country's most recognizable spy plane after the U-2, was retired in 1998. But like many human retirees of the same generation, what became known as the Blackbird has had a healthy post-retirement career. From appearances in the "X-Men" franchise to cameos in the "Transformers" series, this super-speedy jet has taken off in modern popular culture.
So it's only natural that the Blackbird's successor might inspire similar appeal. More than a decade after the last SR-71 was decommissioned, Lockheed Martin has unveiled the gorgeous-looking SR-72. It flies just as far and twice as fast as its predecessor — and, in a twist, it's now lethal, according to Aviationweek:To read more, click here.