Admiral Kirk's landing party follow the transporter coordinates at Spacelab Regula I and materialize inside a chamber on the Regula planetoid. The Genesis Device is there, but before Admiral Kirk can move, he is attacked by his son, David Marcus, who accuses Kirk of trying to steal Genesis. Carol, David's mother, tries to defuse the situation, but before she can elaborate, the team is threatened by Chekov and Captain Terrell, who it turns out are still under Khan's control. David brashly tries to attack the two, but Saavik tackles him to the ground, and Terrell responds by executing the third surviving scientist, Jedda. Terell is ordered by Khan to kill Kirk. Terrell, however, resists Khan and the eel causes him extreme pain. To escape it he turns his phaser on himself and is vaporized. Ch