.Each Voyager probes feature 3 sets, or branches, of thrusters: pair of sets of attitude power thrusters as well as one collection of velocity adjustment procedure thrusters. In the course of the purpose's planetary flybys, both kinds of thrusters were used for different purposes. However as Voyager 1 journeys on a constant path away from the planetary system, its thruster needs are easier, as well as either thruster branch could be utilized to direct the space probe at Earth.