Attack vessel
An attack vessel, assault vessel, or assault ship was a type of warship, typically of the same type as a cruiser or destroyer. The term attack cruiser was applied specifically to the Klingon  attack cruiser.

When telling  Wainwright about a fictional Ferengi invasion of Earth in 1947, Nog claimed 300  attack cruisers, manned with Klingon shock troops, were in orbit of Earth. ()

In 2365, Ferengi  warships were referred to as "attack vessels." () 

The Klingon  was referred to as an attack cruiser. (; ) 

Lysian destroyers were identified as "a short range attack vessel." ()

In 2370, Commander Benjamin Sisko and Gul Dukat observed a Federation merchant vessel under attack by two Cardassian attack vessels just inside the Demilitarized Zone. ()

In early 2371, the Bajoran Militia utilized Bajoran assault vessels (or assault ships) during their assault forces attempted capture of Deep Space 9. ()

In 2374, during the Dominion War, General Martok sent three attack cruisers to fortify the Dorala system's defense perimeter. ()

For a time in early 2375, the Dominion requested that the production of assault ships being constructed at the Monac shipyard be increased by fifteen percent in order to retake the Chin'toka system. This request did not come to fruition, however, as the shipyard and a large fleet of ships, consisting of Jem'Hadar battle cruisers and  warships under construction there, were destroyed by a solar fusion eruption caused by the Monac sun. ()

The Hierarchy operated survey ships that were identified as  assault vessels. () 

In the anti-time future, s were referred to as "attack cruisers" by Governor Worf. ()

See also 
 Attack fighter

External link

ja:攻撃型巡洋艦
nl:Aanvalskruiser
Spacecraft classifications