'Captain' Jack O'Brien is a soldier stationed on Outpost High Ground, voiced by Blankslate_GG. He is supposedly the head guard of his outpost.
Personality
O'Brien is unserious and does not care about his coworkers, especially Linda Kelen.
Role in Plot
Events of Season 1
At the end of Machine, O'Brien dismisses the claims by Frank Collins that the latter saw a warthog on the beach of Outpost High Ground. Linda Kelen criticizes O'Brien for supposedly changing his armor to a captain's uniform in the absence of Cayde Jasper, but O'Brien dismisses this as well while Collins and Diego Jones agree with him and insisting he had always been captain.
Appearances
| Appearances for O'Brien |
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