SG-22 was the twenty-second SG team formed at Stargate Command. It was created sometime before 2005. (SG1: "Moebius, Part 1")

Not long after assuming command of Stargate Command, Brigadier General Jack O'Neill was being briefed by Dr. Cameron Balinsky of SG-22. (SG1: "Moebius, Part 1")

On P9G-844, this team, under the command of Colonel Raimi, acted as a backup for SG-1 when they were searching for the Sodan. (SG1: "Babylon") They returned to the Sodan planet when they and SG-1 were to apprehend a Prior. (SG1: "The Fourth Horseman, Part 2")

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