Later, in Star Trek: The Original Series season 3, episode 2, "The Enterprise Incident", a Romulan ship looks just like the D7-class Klingon battle cruiser in TOS season 3, episode 13 ...

Have Klingon And Romulan Ships Ever Fought In Star Trek? The Romulan and Klingon empires ... When it uncloaked, the gigantic ...

Lt. Paul Stamets (Anthony Rapp) got to use his weird spore drive interface to map the Klingon ship's cloaking device, which required 133 jumps around it in rapid succession. Star Trek has always ...