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
Authorities announced that 29-year-old Travis Reinking was taken into custody on Monday.
Police say a van in Toronto has struck at least 8 people, but the cause of the incident and the extent of injuries are not yet known.
Matt Campbell was a semi-finalist in MasterChef: The Professionals in 2017.