Former NASA astronaut Charles F. Bolden, Jr described the moment mission control waited to hear Neil Armstrong's now famous words from the moon.
He saluted "a brave and humble servant who never stopped dreaming, never stopped working to make those dreams a reality."
More top news
Newt Gingrich accused Fox News anchor Megyn Kelly of being 'fascinated with sex' over coverage of Trump's alleged inappropriate behaviour.
The Republican presidential candidate said Mrs Clinton "doesn't know what she's doing" in her plans for Syria.
Court records show Len Wiseman filed divorce papers on Friday citing citing irreconcilable differences.