Caption: Three K'Vort-class Birds-of-Prey
Caption: From an alternate timeline, these ships attack the Enterprise-C
Caption: U.S.S. Enterprise-D under attack
A larger variety of the Klingon bird-of-prey, as seen in the alternate timeline of the 20-year, Klingon-Federation War.
Two of the K'Vort-class ships attacked the alternate Enterprise-D and destroyed her, while Picard and crew bought time for the Enterprise-C to return to its own timeline.