NASA - National Aeronautics and Space Administration

› View Now George Diller/NASA Launch Commentator:
T minus 10... nine... eight... seven... six... five... four... three... two... one... zero... and launch of the SpaceX Falcon 9 rocket as NASA turns to the private sector to re-supply the International Space Station.

(rumbling)

SpaceX Controller:
Starting gravity turn...

SpaceX Controller:
First stage engines at full power... looking good...

SpaceX Controller:
(inaudible) Power systems are nominal...

SpaceX Controller:
First stage propellant utilization is active...

SpaceX Controller:
Vehicle is on a nominal trajectory...altitude 5.3 kilometers... velocity 225 meters per second... and downrange distance sixth-tenths of a kilometer...

SpaceX Controller:
Vehicle is supersonic...

SpaceX Controller:
Vehicle has reached maximum aerodynamic pressure...

SpaceX Controller:
Propulsions performing nominally... starting stage two engine chill...

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