The D7A-class (known in Klingonaase as the K't'agga-class, literally translated, Painbringer-class) was one of the early series of D7-class Klingon class VIII cruiser starships in Imperial Defense Force service around the time of the 23rd century, becoming active on reference stardate 1/8611. The vessels crewed 352, with space to carry 220 troops for deployment. Additionally, the D7A could carry 6,000 metric tons of cargo, rated at 120 SCU (standard cargo units). Unloaded, the vessel weighed 100,300 metric tons, measured 216 meters in length, 152 meters in width and 55 meters in height.