Klingon cleave ship
The Klingon cleave ship was a type of Klingon warship in service during the 23rd century. Massive in size, it mounted a large vertical blade on its bow that enabled it to ram and destroy opposing starships.

During the Battle of the Binary Stars in 2256, T'Kuvma ordered a cloaked cleave ship to ram  as a demonstration of the invisibility technology. The Europa proceeded to self-destruct, destroying both ships. ()

In 2257, High Chancellor L'Rell commanded a cleave ship that reinforced  and  in their battle against Control. The vessel rammed and destroyed two Section 31 ships as it decloaked. ()

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Cleave ship