O'Hara is a female Tau'ri and member of the United States Air Force, who served on Icarus Base.



In 2009 she was forced to evacuate with 80 other people when the base came under attack and so she became stranded on board Destiny several billion light years away. She was one of the people asked to potentially use the communication stones to swap with Amanda Perry. (SGU: "Sabotage")

She was in the mess hall when Col. Young announced that Lucian Alliance were about to dial to Destiny. (SGU: "Incursion, Part 1")

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