 What were the unanswered questions that the men had after the weather briefing?
But I don't think I ever really believed it was possible—not until this morning when you said tonight was the take-off. It existed only because of the huge ship standing poised in the take-off zone five miles away in the desert. Its future as a town rested with the ship, and the town seemed to feel the uncertainty of its future, seemed ready to stop existing as a town and to give itself back to the desert, if such was its destiny. In the distance they could see the beams of the searchlights as they played across the take-off zone and swept along the top of the high wire fence stretching out of sight to right and left.
 There is still level uncertainty in the success of the mission.
 They did not know how the public would react to the event.  They did not know how well they could predict weather so far away.  They were not sure if Phil could go on the mission.  There is still level uncertainty in the success of the mission.