The IKV Stubborn was a 23rd century Klingon Empire bird-of-prey starship, a E4-class escort in Klingon Defense Force service in the 2280s. In particular, the Stubborn was outfitted as an E4D-subclass drone escort. (TOS video game: Starfleet Command)
- No history or fate is established for this vessel as its name was randomly selected for an escort vessel by the game software.