The Jen'thar-class was a type of assault cruiser in service with the Klingon Empire during the 24th century. (Ship Recognition Manual, Volume 3: Ships of the Klingon Empire; The Dominion War Sourcebook: The Fires of Armageddon) The class was designed for longer range attack and exploration missions then the more common B'rel and K'Vort-class. The class was influenced by Federation starship design and has upward sweeping nacelle pylons.