VSS Enterprise PF04
SpaceShipTwo
Virgin Galactic
Crew

Michael Alsbury
- Birthday: 03/19/1975
- Role: Pilot
- Nationality: United States of America
- First Flight: 10/10/2010
- Last Flight: 10/31/2014
Michael Tyner Alsbury was an American test pilot for Scaled Composites. On October 31, 2014, Alsbury was test flying the Virg...

Peter Siebold
- Birthday: 01/01/1971
- Role: Pilot
- Nationality: United States of America
- First Flight: 10/10/2010
- Last Flight: 10/31/2014
Peter Siebold is a member of the Scaled Composites astronaut team. He is their Director of Flight Operations was one of the t...
Mission
VSS Enterprise PF04
- Type: Test Flight
- Orbit: Suborbital
Powered test flight of VSS Enterprise. Unintended feathering destroyed the vehicle in-flight, killed one pilot and injured the other.
Rocket
Virgin Galactic SpaceShipTwo
The Scaled Composites Model 339 SpaceShipTwo (SS2) is an air-launched suborbital spaceplane type designed for space tourism. It is manufactured by The Spaceship Company, a California-based company owned by Virgin Galactic.
Agency
Virgin Galactic
Virgin Galactic is an American spaceflight company within the Virgin Group. It is developing commercial spacecraft and aims to provide suborbital spaceflights to space tourists. Virgin Galactic's suborbital spacecraft are air launched from beneath a carrier airplane known as White Knight Two.