KNOWLEDGE CHECK

Select the best answer to the following question.

When combined with the Saturn, the J-2 engine would be capable of what accomplishment?
  1. Sending three astronauts on a looping path around the Moon.
  2. Creating a combined thrust of over 10 million pounds.
  3. Sending two cosmonauts on a looping flight around the Moon.
  4. Achieving 1.5 million pounds of thrust.

Knowledge Check
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