The D-21 cruiser is a larger cousin of the D-17 destroyer. The unique feature of the D-21 is that it's the only Klingon vessel to be equipped with holographic emitters in it's brig, part of a program researching the possiblility of equipping Klingon
Class: Light Cruiser (CL) The ISC CMP medium cruiser was orginally designed in the mid 2260s. However, upon entering the alpha quadran in the 2290s, it was evident that the design was superior. The medium cruiser class is still a formidable foe an