P7S-441 was a planet in the Milky Way galaxy which held a Stargate. It was under the control of the Goa'uld System Lord Tilgath.

SG-1 visited this planet in 2001. While SG-1 was retreating back to the Stargate, Colonel Jack O'Neill and the Reol Kaiael (disguised as Lieutenant Tyler) were pinned down by Jaffa patrols. They stayed in an abandoned building for the night, before the Jaffa found them. Luckily, they were saved by Major Samantha Carter, Teal'c and Dr. Daniel Jackson who had finally returned to the planet to help Jack fight off the Jaffa troops. (SG1: "The Fifth Man")

It can be inferred that this planet was under the control of Tilgath because the Jaffa on the planet bore his mark.(SG1: "The Fifth Man", "Evolution, Part 1")

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