Space Exploration Technologies Corp., the Hawthorne-based developer of low-cost rockets, conducted a full mission duration firing of its new Merlin Vacuum engine on Saturday at a facility in McGregor, Texas.
The company known as SpaceX fired the engine for a full six minutes, consuming 100,000 pounds of liquid oxygen and rocket grade kerosene propellant.
SpaceX plans the innaugural launch of its Falcon 9 rocket using the Merlin Vacuum later this year.

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