Liftoff of NASA's Radiation Belt Storm Probes
08.30.12
Tracy Young/NASA Launch Commentator: Liftoff of the Atlas V rocket and twin spacecraft on a mission to unlock the mysteries of Earth's Van Allen Belts.
Marty Malinowski/Flight Telemetry Engineer: Booster engines continue to perform well. Top speeds within the parameters (inaudible) pressures are stable.
(Inaudible) . . . and we throttle back.
Correction, we did not throttle back. The roll program was complete. Coming up on Max-Q (Inaudible).
Max-Q.
Booster engines continue to operate nominally.
Max-Q.
The vehicle continues to fly well (Inaudible).
Boosters throttle back, engine response looks good. (Inaudible) . . . continues to control nominally.
Current altitude is 11.2 nautical miles, downrange distance 8.1 miles, velocity is 2,340 miles per hour.
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