- For other uses, see USS Merrimac.
In 2366, the Merrimack was assigned to personnel transport duties; it ferried Ambassador Sarek and his entourage back to Vulcan after the successful conclusion of a treaty on Legara IV. (TNG episode: "Sarek")
In 2368, the Merrimack was to become part of the 23 strong Federation fleet, along with the USS Enterprise-D, so that they could blockade Romulan ships interfering in the Klingon Civil War. (TNG episode: "Redemption")
Later that year, the Merrimack was to rondezvous with the Enterprise so that she could transfer Wesley Crusher aboard, so that the Merrimack could take him back to Starfleet Academy. (TNG episode: "The Game")