Tellus
Tellus was a Vulcan captain in the 20th century, commander of the survey ship D'Vahl.

In 1957, a  relayed the distress call of a stranded Vulcan survey ship to the Vulcan High Command, who then dispatched the D'Vahl to Earth. Partway there, he contacted the team to see if they had survived.

Upon arriving near the survey ship's landing site under cover of darkness to avoid the Humans seeing them, he was curious as to where the other two members of the team were. T'Mir informed him that only she and Stron had survived. They then proceeded back to . ()

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Vulcans
Vulcan High Command personnel