'A giant ___ for mankind,' Neil Armstrong's famous words

Let's find possible answers to "'A giant ___ for mankind,' Neil Armstrong's famous words" crossword clue. First of all, we will look for a few extra hints for this entry: 'A giant ___ for mankind,' Neil Armstrong's famous words. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.