Complex sentence: Moriarty, satisfied with the ruse, releases control of the ship back to Picard, and he and the Countess use a shuttlecraft given to them by Picard to leave the Enterprise and explore the galaxy.
Split into simpler sentences: Moriarty, satisfied with the ruse, releases control of the ship back to Picard. He and the Countess use a shuttlecraft given to them by Picard to leave the Enterprise and explore the galaxy.