Private Bergman was a member of the United States Colonial Marine Corps and part of the Xenomorph-hunting unit dubbed the Midnighters. During a mission to the National Data Corporation's Charybdis complex in 2184, Bergman was attacked and subdued by a facehugger during a raid on a Xenomorph hive. Unit leader Captain Kylie Duncan used her sidearm to shoot the private in the chest, sending him into shock and leaving him to his fate.