 They chase the TIE fighter to the Death Star, and subsequently get caught in the space station's tractor beam.On board the Death Star, Obi-Wan ventures through and disables the tractor beam, but not before long, Darth Vader confronts him, and they engage in a lightsaber duel.Obi-Wan uses the duel to distract Vader as Luke, Leia, Han and Chewbacca escape to the "Falcon".