Their first mission was to help relocate the Nasyans. (SG1: "In the Line of Duty") The team later returned from Alaris three days early as a result of one of the team members being injured. (SG1: "Window of Opportunity") The teams SG-3, SG-12 and SG-15 were called in by Major General George S. Hammond when SG-1 was negotiating with what seemed to be a hostile human race, called the Aschen. One year later, in August 2002, they were totally wiped out at the Tok'ra base when it was destroyed by Anubis's fleet, according to Major Ben Pierce of SG-15. (SG1: "2001", "Allegiance")