The teams SG-3, SG-12 and SG-15 are called in by Major General George S. Hammond when SG-1 are negotiating with what seems to be a hostile human race, called the Aschen. (SG1: "2001") During an exercise with four young SGC recruits in 2002, SG-3 returns from an away mission through the Stargate. (SG1: "Proving Ground") Later, the same month, Major Carl Warren is the team leader and the team is sent in to help the Latonans and SG-9 against attacking Jaffa on Latona. (SG1: "The Sentinel")