.Each Voyager probings feature three sets, or even divisions, of thrusters: two collections of attitude power thrusters as well as one collection of velocity correction procedure thrusters. During the course of the mission's worldly flybys, both forms of thrusters were used for various reasons. Yet as Voyager 1 travels on an unchanged road out of the planetary system, its thruster demands are less complex, and either thruster branch may be used to direct the spacecraft at Planet.