Lucky Seventh Test-Flight Gets Roc Out of a Hard Place

Stratolaunch—the Seattle-based aerospace concern providing high-speed flight-test services—has announced the completion of the seventh flight-test of Roc, the company’s aerial launch-vehicle and world’s largest flying aircraft. In its latest Mojave test-flight, Roc remained aloft just over three-hours and reached an altitude of 27,000-feet—a new altitude record for the aircraft. Following a less than perfect, 09 June, sixth flight that was cut short following atypical, inflight vibrations and the failure of a wing sensor, the seventh flight succeeded in expanding Roc's flight-envelope subsequent the addition of an eight-thousand pound, 14-foot pylon to the immense