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Overall view of one of the carbon jet vanes.

The jet vanes (which extended into the engine exhaust), in conjunction with the air rudders, were used to control the missile's attitude. During the early portion of the missile's flight, it was controlled by the jet vanes. When the missile reached a velocity sufficient for it to become aerodynamically stable, the air rudders took over the control function.

The carbon vanes and air rudders were driven by the same actuator assembly and turned simultaneously.