James Marshall is an NSA Agent and the leader of Sigma Division. Contents[show] HistoryEdit Early HistoryEdit Marshall was made the Divisional Agent in Charge of the NSA's Sigma Division, which was tasked with locating signs of alien or alien technology. ContestEdit . TriviaEdit Retrieved from "https://matthewreilly.fandom.com/wiki/James_Marshall?oldid=9419" Categories: Contest Contest Characters Characters U.S. Characters Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.