The narrator says, "The silver wings that would carry Gene Kranz aloft were born not of laughter, but fire." This is a reference to the famous poem "High Flight" by RCAF pilot John Gillespie Magee; the poem's first lines are, "Oh! I have slipped the surly bonds of Earth, and danced the skies on laughter-silvered wings." See more
They took men into space, but never left the earth. They flew every flight, from right here on the ground.
We had to pull missions literally out of the fire, make the right things happen, and bring these crews back home.
They are the men of Mission Control, engineers who took the dream of spaceflight and made it reality.
You just didn't say, "We can't do this, we can't do that." You made it happen.