The USS Arcos (NCC-6237) was a Deneva-class Federation starship that was in service during the mid-24th century. Tan Tsu served aboard the Arcos during the 2360s.
In 2367, the Arcos was destroyed by a warp core breach over Turkana IV. The ship's two-man crew survived in an escape pod, but landed on the war-torn planet where they were captured by the "Alliance" faction. They were later rescued by an away team from the USS Enterprise-D. (TNG: "Legacy")
- The Arcos was seen very briefly before it exploded in "Legacy," but the model used to represent the ship was not identifiable.
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