Projectile , with a body extending along a longitudinal axis , which is designed to have a spin around the longitudinal axis in a flight direction in the case of a flight as intended, - with at least one steering surface (16a-h) which is pivotably mounted around a pivot axis relative to the body so as to spin with the body , wherein each of the steering surfaces (16a-h) has a respective current pivot angle (WS) around the pivot axis , - with an actuating unit which is connected via a linkage to at least one of the steering surfaces (16a-h) and which is designed to deflect the steering surfaces (16a-h) with regard to their respective current pivot angle (WS), and in doing so, to set, for each of the hinged steering surfaces (16a-h), a spin-decoupled cyclic course of the respective current pivot angle (WS) depending on a circumferential angle (WU) in the circumferential direction around the longitudinal axis , wherein the course can be changed by the actuating unit , - characterized in that the actuating unit comprises: - a spin-decoupled carrier , namely moving in flight in a translational not rotating manner, without spin , with the projectile along a trajectory, - a spin-decoupled course element which specifies the course and the position (L) of which relative to the carrier is adjustable, - a linkage element rotationally mounted relative to the carrier , having the spin and movement-coupled to the course element with regard to a change in the position (L), which linkage element is connected to the steering surfaces (16a-h) via the linkage , - a spin-decoupled actuator arrangement which is configured to set the position (L) of the course element predefinably. - with at least one steering surface (16a-h) which is pivotably mounted around a pivot axis relative to the body so as to spin with the body , wherein each of the steering surfaces (16a-h) has a respective current pivot angle (WS) around the pivot axis , - with an actuating unit which is connected via a linkage to at least one of the steering surfaces (16a-h) and which is designed to deflect the steering surfaces (16a-h) with regard to their respective current pivot angle (WS), and in doing so, to set, for each of the hinged steering surfaces (16a-h), a spin-decoupled cyclic course of the respective current pivot angle (WS) depending on a circumferential angle (WU) in the circumferential direction around the longitudinal axis , wherein the course can be changed by the actuating unit , - characterized in that the actuating unit comprises: - a spin-decoupled carrier , namely moving in flight in a translational not rotating manner, without spin , with the projectile along a trajectory, - a spin-decoupled course element which specifies the course and the position (L) of which relative to the carrier is adjustable, - a linkage element rotationally mounted relative to the carrier , having the spin and movement-coupled to the course element with regard to a change in the position (L), which linkage element is connected to the steering surfaces (16a-h) via the linkage , - a spin-decoupled actuator arrangement which is configured to set the position (L) of the course element predefinably. - a spin-decoupled carrier , namely moving in flight in a translational not rotating manner, without spin , with the projectile along a trajectory, - a spin-decoupled course element which specifies the course and the position (L) of which relative to the carrier is adjustable, - a linkage element rotationally mounted relative to the carrier , having the spin and movement-coupled to the course element with regard to a change in the position (L), which linkage element is connected to the steering surfaces (16a-h) via the linkage , - a spin-decoupled actuator arrangement which is configured to set the position (L) of the course element predefinably. <EOS>