Unnamed D7 class starships

The following is a list of unnamed Klingon and Romulan starships of the D7-class and its variants, including the K't'inga''-class.

Ambush of the USS Gallant
In 2285, four K't'inga-type warships, commanded by Captain Koloth, ambushed and destroyed the USS Gallant while on a patrol of the Klingon Neutral Zone. All hands aboard the Gallant were lost, including Captain John Bearclaw. (TOS comic: The Wormhole Connection).