Armstrong, who died on Saturday at age 82, maintained until the end that there was a lost word in his famous words from the moon.

"I thought about it after landing," he said in a 2011 NASA oral history. "And because we had a lot of other things to do, it was not something that I really concentrated on, but just something that was kind of passing around subliminally or in the background. But it was a pretty simple statement, talking about stepping off something. Why, it wasn't a very complex thing. It was what it was."

About the broadcaster:

CJ Henderson is a foreign expert for China Daily's online culture department. CJ is a graduate of the University of Sydney where she completed a Bachelors degree in Media and Communications, Government and International Relations, and American Studies. CJ has four years of experience working across media platforms, including work for 21st Century Newspapers in Beijing, and a variety of media in Australia and the US.

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