However, they were overruled by Morton Thiokol management, who recommended that the launch proceed as scheduled.

Our launch was proceeding perfectly well until my first officer insisted I get on the loudspeaker and make a fool of myself to the crew.

Because of NASA's opposition, Thiokol management reversed itself and recommended that the launch proceed as scheduled.

The launch proceeded in relatively clear weather conditions.

A new set of engines had to be ordered from Aerojet, after which the launch proceeded without any problems.

On 23 November 2011, it was confirmed the launch would proceed within the expected 2012 timetable.

The launch proceeded nominally but was automatically aborted at T 00:00:00.5 when pressure in engine number 5 rose to unacceptable limits.

Here, they will go over procedures one last time and get weather checks to ensure the launch can proceed.

The launch proceeds on schedule, but the public is unaware that the spacecraft is empty.

'The launch cannot proceed without him.'