Three of Three was a freed Borg drone, like her siblings One of Three and Two of Three, and served on the USS Voyeur. (VOY: "Author, Author", RIS Bouteina)
- In "Author, Author", the USS Voyeur, as well as its crew, was imaginary, but was real in RIS Bouteina.
She served as the second officer of the Voyeur. (RIS Bouteina: "Relief and Refuge")