SpaceShipTwo Conducts First Cold Flow Flight Test:

Virgin Galactic's suborbital SpaceShipTwo successfully conducted its first 'cold flow' flight test above the Mojave Desert last Friday, 12 April. During the test, oxidizer was run through the rocket's propulsion system and out the back nozzle of the ship, though the vehicle's rocket engine was not turned on. The next significant milestone for the commercial spaceflight company appears to be conducting a full flight test, igniting the rocket in the air. The company has not released an expected date for a powered test flight. Continue Reading