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Mission Control: LC is go for launch. PLT confirm.
George Diller/IRIS Launch Commentator: Stand by for deployment.
Mission Control: PLT drop on my mark. Three, two, one, drop.
Mission Control: Pegasus is away. Diller: Pegasus is away.
Mission Control: Vehicle is fully armed.
Diller: And ignition of the Pegasus rocket.
Mission Control: Attitude remains nominal. Power busses remain strong with good voltage on all busses.
Diller: Pegasus is underway.
Mission Control: Fins are following commands in controlling the flight of the vehicle.
Attitude remains nominal. 35 seconds into the IRIS mission we're passed max-Q.
Vehicle power busses remain nominal. Vehicle is flying along the nominal predicted track, indicating good performance.
Attitude remains nominal. Over 50 seconds into the flight.
We're over 100,000 feet altitude, traveling 3,000, correction, 4,000 miles per hour.
Power busses remain strong. Less than 10 seconds to stage on burnout.
Stage one is burned out. Approximately, 15 seconds to stage on separation and stage two ignition.