K-1 Flight Profile : Staging, First Stage Return & Parachute Deployment



  4: Staging
At an altitude of 135,000 feet, 121 seconds after liftoff, the first and second stages separate.
  5: First Stage Return
Center engine restarts and places the first stage on a controlled return trajectory.
  6: Parachutes Deployed
At 10,000 feet and airbags are deployed just prior to a soft touchdown. The first stage is then prepared for another flight.