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Today, commercial space transportation primarily means launch to Earth orbit. In the near future, it will include commercial in-space transportation systems and their support infrastructure. In fact, there are commercial in-space transportation companies now. One can book payload delivery to the Moon on expendable commercial lunar landers today with Astrobotic for $1.2 million per kilogram. In addition, Momentus is offering expendable space tug services in Earth orbit for small payloads. Reusable space tugs and Moon shuttles with propellant depots and on-orbit refueling are coming. Commercial space transportation is evolving to more diverse and more reusable launch systems as well as expanding to encompass orbit transfer vehicles and Moon landers.

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Category: Science