![rocket](/sites/default/files/styles/crop_freeform/public/2019-12/ad20-humanflight-sidebar-unitedlaunchalliance.jpg?itok=ys4Z3SPw)
Credit: United Launch Alliance
Another year and still no human launches to orbit from the U.S., though four Virgin Galactic pilots and one engineer have made it into suborbital space during trial runs of SpaceShipTwo. Virgin Galactic founder Richard Branson has talked about riding on SpaceShipTwo for years, but now he has started...
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