Nelson said that the moon could be China's own territory.
The Chinese aggression in the South China Sea showed what might happen on the moon, according to him.
China has enjoyed enormous success and advances in its space program over the last few years.
If the US beats China in the race to the moon, China will be able to claim its own territory, according to the head of NASA.
The Chinese military expansion in the South China Sea is an indicator of what might happen on the moon, according to the NASA administrator.
Nelson said, "We're in a space race." They don't get to a place on the moon under the guise of scientific research, so we have to be careful. It is possible that they will say, "We're here, this is our territory"
Look at what they did with the Spratly Islands if you don't think that's true.
There are new military installations in the South China Sea.
In November, NASA completed its Artemis 1 mission, which involved flying an ovoid craft around the moon. The goal of Artemis 3 is to land astronauts on the moon.
China launched a crew of taikonauts towards the station in November after completing its new space station. Beijing plans to launch three missions to the moon over the next decade as part of its Chang'e lunar program after discovering a new lunar mineral that could be used as an energy source.
Nelson said that China has enjoyed success in its space program over the last decade.
The Artemis 3 mission is being worked on by NASA. Nelson asked the question every day, "How is SpaceX's progress?". Managers are telling me they are meeting their goals.
Insider's request for comment from NASA was not immediately responded to.
Business Insider has an article on it.