Johnson Space Center Introduction: NASA Johnson Space Center is adjacent to the Houston Space Center. As long as you take the red or blue line train at the space center, you can visit the Johnson Space Center. Johnson Space Center covers an area of 1,600 acres and has more than 14,000 employees. It is the control headquarters of NASA, including Apollo 11, which was the first to land on the moon in 1969. All control instructions originated from this center.
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