He was one of the men in SG-3 who Scouted out P3X-439 and informed the SGC that they found Goa'uld Reconasance probes. He then Along with SG-5, his team mates and SG-1, arrived and set up defensive perimeter around an ancient Repositary building. Later Jack O'Neil managed to use a device to give him ancient knowledge. eventually, he and everyone headed back, as a Death Glider was spotted,while Major Samantha Carter destroyed the building with C-4 so Anubis would not get it. They then made it through the gate ("Lost City, Part 1")