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The Falcon 1 was the first rocket developed by SpaceX. It was a two-stage, liquid-fueled vehicle designed to launch small satellites into Earth's orbit. A key feature of the Falcon 1 was its lower cost of development and operation compared to its competitors, largely due to the use of SpaceX's proprietary Merlin engine. The Falcon 1 achieved its first successful orbit in 2008. It was later retired in favor of the Falcon 9 launch vehicle.12

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