USS Agamemnon
From Star Trek: Theurgy Wiki
The USS Agamemnon was a 24th century Federation starship operated by Starfleet.
Wenn Cinn served aboard the Agamemnon before transferring to the USS Tycho.
(It has not been revealed what class of starship the USS Agamemnon was, but it is mentioned in the TNG episode “Descent” that took place in 2369 so it to be a 24th century vessel that was built before that year.)