SpaceX said it completed the first orbital propellant transfer between two Starship vehicles, a milestone the company considers essential for crewed missions to the Moon and Mars. The test validated the docking and fuel-transfer systems in microgravity. Refueling in orbit allows a spacecraft to depart Earth and top up its tanks before heading to deep space, dramatically increasing the mass it can carry. Engineers described the transfer as nominal. The achievement keeps the program on a trajectory toward its planned lunar demonstrations, though several more uncrewed tests are expected first.
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