Watch NASA’s mammoth moon rocket lift off for first time

The space agency has scheduled the third attempt to launch the mammoth moon rocket

Third launch attempt for NASA's "giant moon rocket" set for  September 27

The first two attempts to launch the rocket failed due to technical issues

NASA called off the first launch attempt because engineers couldn't get one of the four RS-25 engines in the rocket's core stage to a safe temperature in time

The agency said it had resolved the issue, which was traced to a malfunctioning temperature sensor

Once again, an alarm went out while the rocket was being loaded with its supercooled liquid hydrogen fuel

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