Karl Dahlberg was the chief of security of the USS Shabonee (NCC-64332).

Dahlberg was born and raised in Copenhagen, Denmark on Earth. An extremely charismatic and attractive man, he had no troubles in fitting in with crewmates, even using his charm to his advantages in certain circumstances.

Dahlberg took Emily Shawesh's position aboard the new Shabonee upon Shawesh's departure. (Star Trek: Shabonee: "Dirge")

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