Official rule text
58.4 STEP 1—MOVE SHIPS: A player can move any number of their eligible ships into the active system, obeying the following rules: a The ship must end its movement in the active system. b The ship cannot move through a system that contains ships that are controlled by another player. c The ship cannot move if it started its movement in another system that contains one of its faction’s command tokens. d The ship can move through systems that contain its own faction’s command tokens. e The ship can move out of the active system and back into it if its move value is high enough. f The ship must move along a path of adjacent systems, and the number of systems the ship enters cannot exceed its move value.