.Each Voyager probes feature three sets, or branches, of thrusters: 2 sets of perspective power thrusters and one set of velocity adjustment maneuver thrusters. Throughout the mission's planetary flybys, both forms of thrusters were actually utilized for different objectives. But as Voyager 1 takes a trip on an unchanged road out of the solar system, its thruster needs are actually less complex, as well as either thruster branch can be utilized to point the space probe at Earth.