They were going to the moon, all right – at least that was the plan. That was the dream and the challenge set forth by one man, President John F. Kennedy, when he declared in May of 1961: "I believe this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the Moon and returning him safely to Earth."

–Team Moon: How 400,000 People
Landed Apollo 11 on the Moon,
Catherine Thimmesh

Read this passage and describe the tone it expresses. How does the author’s choice of words express the tone?