Following her graduation from Starfleet Academy in 2357, Ensign Lyrinda Halk served with distinction aboard the Trieste. (TNG - Annual comic: "Thin Ice") Before his assignment to the USS Enterprise-D, Lieutenant Commander Data was assigned to the Trieste in 2360. During his tour of duty, the Trieste passed through an unstable wormhole. (TNG episode: "Clues"; TNG - The Lost Era novel: The Buried Age) In 2368, the Trieste was assigned to a task force of starships that were assigned to blockade the Klingon-Romulan border during the Klingon Civil War. (TNG episode: "Redemption, Part II")