NASA moon landing: Apollo 11’s disaster contingency plans has been revealed (Image: GETTY)
The unprecedented missions meant there was always the possibility that astronauts Neil Armstrong and Buzz Aldrin would not make it back from the moon's surface. A speech was prepared for then-US president Mr Nixon, penned by White House speechwriter Bill Safire on July 18 1969. Fortunately, the mission was a success, meaning it never had to be read.
The speech read: “Fate has ordained that the men who went to the moon to explore in peace will stay on the moon to rest in peace.
“These brave men, Neil Armstrong and Edwin Aldrin, know that there is no hope for their recovery. But they also know that there is hope for mankind in their sacrifice.
"These two men are laying down their lives in mankind's most noble goal: the search for truth and understanding.
"They will be mourned by their families and friends; they will be mourned by their nation; they will be mourned by the people of the world; they will be mourned by a Mother Earth that dared send two of her sons into the unknown.
READ MORE: Moon landing conspiracy: Do shadows prove NASA faked Apollo 11?
NASA moon landing: There was a possibility the astronauts would never return (Image: GETTY)
"In their exploration, they stirred the people of the world to feel as one; in their