sentences:  The stabilizing and actuator fins, which helped to guide the missile to its target, were stored folded in the canister and sprang into position after launching.These fins directed the missile to the target through inputs from the AN/SWG-1 Harpoon Fire Control System.The battleships carried and used the RGM/UGM-84 variants of the Harpoon missile, which was designed to be fired by surface ships.