Virgin Galactic is planning to return to a rubber-like fuel when it resumes powered test flights of its SpaceShipTwo suborbital vehicle based on the results of an ongoing series of tests of the spacecraft's hybrid rocket motor.
Virgin Galactic is planning to return to a rubber-like fuel when it resumes powered test flights of its SpaceShipTwo suborbital vehicle based on the results of an ongoing series of tests of the spacecraft's hybrid rocket motor.