Although the Captain's name is mentioned at the beginning of the episode & an officer is seen entering with information for Friday & Gannon, it can be assumed that he is the Captain, though he never is identified as such & is given no billing in the credits, even though he had spoken lines.
When Owens comes back from jail, he claims they took his badge and name tag. He didn't have either one prior to that. The US Forest Service wears patches on their shirts and jackets and a badge identifying themselves as park rangers, not what Owens is wearing