He was responsible for overseeing the repairs on the Stargate when it overloaded and sent Captain Samantha Carter and Colonel Jack O'Neill to the Beta Gate in Antarctica. (SG1: "Solitudes") He attempted to cut through the Virus Orb after it opened and one of the spikes pierced Colonel Jack O'Neill's shoulder. When he was about to cut through the orb reacted and moved the cut portion into the wall. (SG1: "Message in a Bottle")