Dictator and Dominator Cruisers

Both of these ships have different roles, but they are both built on a base of a Lunar Class Cruiser.
Dictator is a dedicated strike carrier, and the only human ship to carry torpedoes AND strike craft at the same time (Orks can kustomize their ships to carry torpedoes, attack craft and a Nova Kannon at the same time though). These ships are made from wrecked Lunar Class Cruisers and replace lance decks with launch bays. That comes at the cost of firepower, as it only has two broadside macrocannon decks to compensate (Devastation Class with two lance decks, macroturret and missile pod says hi).
Dominator is a dedicated brawler with four broadside macrocannon decks. However it can also be utilized in the artillery role, by employing the Nova Cannon mounted on its prow. Nova Cannon is quite unreliable and imprecise, but poses an incredible threat to tightly-packed ship formations (and can easily wipe out an escort squadron in one lucky hit). Eldar are especially vulnerable since Nova Cannon ignores holofields and their ships are fragile enough to get significant damage even on the blast's outskirts.