- Vulcan Aerospace is the company within Vulcan that plans and executes projects to shift how the world conceptualizes space travel through cost reduction and on‐demand access.
- Vulcan Aerospace has its heritage in SpaceShipOne and oversees theStratolaunch Systems project. SpaceShipOne won the $10 million Ansari X Prize in 2004 for becoming the first privately funded manned vehicle to reach space twice in the span of two weeks.
- Allen, who co-founded Microsoft with Bill Gates, teamed up with Rutan again in 2011 to form Stratolaunch Systems, a company that aims to launch satellites from the belly of a huge carrier aircraft with a wingspan of 385 feet (117 meters).