Commercial airline passengers were treated to quite the sight as they were coming in for a landing at San Francisco International Airport when their plane was joined by Virgin Galactic's SpaceShipTwo and its carrier aircraft, White Knight II. The space craft (the central fuselage) was carried by its mothership right next to their plane and even did a parallel landing on an adjacent runway, giving the passengers aboard the commercial airliner a great view of the space craft for a good ten minutes. Although, I don't think anyone enjoyed the experience quite as much as the pilot. He was so...