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Amazon founder Jeff Bezos's space company has finished work on a rocket that will have the potential for commercial space flights, and is ready to begin testing. “The engine is ready for flight ... and ready for other commercial users,” Blue Origin President Rob Meyerson said Wednesday, only saying that the rocket—named New Shepard—would fly "soon." The initial test flights will be unmanned, before a pilot is introduced. Pricing information for commercial flights is not yet available, but the rocket will be able to hold up to three passengers.