SS3 would quickly follow SS2 if...

...it all works.

Orbital vehicle SpaceShipThree (SS3) will be developed by space tourism company Virgin Galactic and Mojave-based SpaceShipTwo (SS2)-developer Scaled Composites, if the planned SS2 suborbitalservice is successful, says Virgin Galactic president Will White­horn.

SpaceShipThree is planned for Scaled’s tier 2 manned space programme, while the nine-person SpaceShipTwo is part of the current tier 1b programme.

The suborbital three-crew SpaceShipOne (SS1), which won the $10 million Ansari X Prize last October, was developed within Scaled Composites’ tier 1 programme.

Read more at Flight International.