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What is a hybrid rocket motor? What advantages does it have over conventional liquid and solid propellant rocket motors? These questions point to an exciting breakthrough that occurred on December 13, 2018, when Virgin Galactic successfully launched VSS Unity on its first suborbital flight.

Entrepreneur, philanthropist, and collector Paul G. Allen, co-founder of Microsoft, made a notable impression here at the National Air and Space Museum.

For the past decade, SpaceShipOne has been on display as one of the hanging artifacts in the Boeing Milestones of Flight Hall. It was specifically positioned to depict the aircraft in its initial stage of powered flight (30 degrees, nose up attitude) just after release from its White Knight mother ship, which carried it aloft to an altitude of about 14,326 meters (47,000 feet). In March of this year, SpaceShipOne was lowered to the floor as part of a major renovation of the Milestones gallery. During this time, it received a thorough condition assessment and photo documentation by conservator Sharon Norquest. After surface cleaning and minor conservation work is completed, it is scheduled to be rehung this week and will be one of the major artifacts in the new Boeing Milestones of Flight Hall, scheduled to open in July 2016. The renovation project provided us with a unique opportunity to consider how we showcase SpaceShipOne in the future.