In this April 29, 2013 file photo provided by Virgin Galactic shows Virgin Galactic's SpaceShipTwo under rocket power, over Mojave, Calif. Virgin Galactic has reported an unspecified problem during a ... more 
In this April 29, 2013 file photo provided by Virgin Galactic shows Virgin Galactic's SpaceShipTwo under rocket power, over Mojave, Calif. Virgin Galactic has reported an unspecified problem during a test flight of its SpaceShipTwo space tourism rocket. The company tweeted Friday, Oct. 31, 2014, morning that SpaceShipTwo was flying under rocket power and then tweeted that it had "experienced an in-flight anomaly." The tweet said more information would be forthcoming. (AP Photo/Virgin Galactic, Mark Greenberg, File) less 
1 / 30
Associated Press | Photo By Virgin Galactic, Mark Greenberg, File
Fri, Oct 31, 2014 2:57 PM EDT