Editor's Note: The original launch window has been pushed to 10:30 a.m. EDT (1430 GMT) due to weather.
On July 11, Virgin Galactic will make a giant leap toward commercial suborbital spaceflight. The company will launch its first fully crewed flight of its SpaceShipTwo space plane Unity with a special passenger on board: the company's billionaire founder Richard Branson.
Branson, three crewmates and two pilots will launch on the historic flight after being carried into launch position by Virgin Galactic's carrier plane VMS Eve. They will take off from the company's homeport of Spaceport America in New Mexico, with a live webcast chronicling the flight. Here's everything you need to know about the mission, which Virgin Galactic has dubbed Unity 22.