Roc takes third test flight
Stratolaunch’s Roc—the biggest airplane in the world returned to the sky making its first test flight in more than eight months. Check out some photos from this historic event.


The one-of-a-kind airplane is powered by six Pratt & Whitney PW4056 turbofans obtained from retired Boeing 747-400s. [Courtesy: Stratolaunch]

Roc landed Sunday at California’s Mojave Air & Space Port after a test flight that lasted nearly four and a half hours. [Courtesy: Stratolaunch]




