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This article, James O'Brian, is currently under active construction. The author, The rook13, apologizes for the inconvenience.
James O'Brian
Biographical information
Political and military information
"You guys are the sorriest sons of bitches I've ever seen. Your lucky to be fighting alongside me."
—James to a group of marines on the front lines

Seargent James O'Brian is a UNSC marine attached to the 1st marine regiment and served in Operation: TREBUCHET

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