A full ignition-to-liftoff sequence with particle exhaust, tower arm retraction and camera shake, looping continuously. At ignition the engine bell floods with white-hot combustion gas that expands supersonically into a plume of fire and smoke, pushed sideways along the flame trench. As chamber pressure builds, thrust overcomes the rocket's weight, the launch tower's service arms swing away, and the vehicle accelerates upward, thinning and cooling its exhaust plume as it climbs and the surrounding air pressure drops.