Following a series of launch procedures, a 120 second computer controlled automatic countdown sequence would be initiated, followed by engine ignition.

The satellite photos showed very clearly that six of the transporter-erector-launcher vehicles were in place, ready for the launch procedures.

"If you're ready to go, we'll start launch procedure."

The new launch procedure will be employed during the remaining Atlantis launches if no other resolution is found.

There, a shuttle launch team consisting of around 500 professionals manages the final launch procedure.

During the stressful launch procedure, River holds out a hand to him.

He was hardly in his seat when the doors slid shut and the launch procedure commenced.

"They'll still have to stop their vehicles and start launch procedures."

They're going to want to go over every centimeter of that ship, and check the launch procedures thoroughly.

This was due to mistakes in launch procedures and not flaws in vessel design.