Ian Davidson is a Colonel in the United States Air Force who was in temporary command of the Earth vessel Odyssey in 2007, following the death of Colonel Paul Emerson.



Colonel Davidson was assigned to command the Odyssey after the death of the ship's previous officer Colonel Paul Emerson at the hands of members associated with the Lucian Alliance. His first mission was to investigate a massive stockpile of weapons grade Naquadah reportedly being used in preparation for an attack on Earth by Arkad and the Illac Renin When their presence was detected and the persons on the planet appeared to be attempting an escape, he ordered an immediate attack, destroying the stockpile. (SG1: "Family Ties")

Davidson's next known mission was to transport SG-1 on board the Odyssey to capture Adria. However, SG-1's plan failed when Ba'al's forces captured Adria, forcing Davidson to find Ba'al's flagship and recapture her. (SG1: "Dominion")

After this mission Colonel Davidson is apparently reassigned elsewhere as when the Odyssey travels to Orilla, Major General Henry Landry is in temporary command, and later Lt. Colonel Cameron Mitchell. (SG1: "Unending", "The Ark of Truth")

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