Virgin Galactic officially debuts SpaceShip Two, the VSS Unity

It's been some time in the making, but Virgin Galactic, the commercial space flight division of Sir Richard Branson's company, has officially taken the wraps off the new SpaceShip Two. As the first new craft from Virgin Galactic since the tragic crash during a 2014 test flight, killing one of two crew members, the ship will bear the name VSS …