Federation-Tzenkethi War

The Federation-Tzenkethi War was a conflict taking place between the United Federation of Planets and Tzenkethi in the 24th century.

Captain James Leyton and his first officer Benjamin Sisko fought in the war aboard the USS Okinawa (NCC-13958). (DS9: "The Advesary", "Paradise Lost")

Captain Sydney Caldwell and her crew aboard the USS Cartwright (NCC-42953) disappeared and were assumed killed during the war in 2360. (Star Trek: The Cantabrian Expeditions: "Dakota")