On prior visits, he's has hung by his toes from a helicopter flying over the Statue of Liberty, walked a high wire over Lincoln Center and rappelled off Madison Square Garden.
In typical outsize Branson fashion, the 61-year-old rappelled from the ceiling of the hangar now called the "Virgin Galactic Gateway to Space" and, while dangling in midair, chugged from a bottle of champagne in front of a large crowd to celebrate.