Kasak sutai-Khornezh (formerly known as Vasak) was a Klingon, of the family line Khornezh, who served the Klingon Empire's Defense Force as a starship captain in the late 23rd century. During his cadet cruise, Midshipman Vasak served onboard the IKS Gr'oth as an engineer during the incident at Deep Space Station K-7, when the engine room was swamped with tribbles transported from the Federation starship Enterprise. When Imperial Intelligence sought to lay blame on someone for the incident, they placed it at Vasak's feet, as he was an Imperial race Klingon and they were of the opinion that he should have known better. He received a permanent black mark in his record, but because of his connections in the Klingon High Council he was spared from execution and instead promoted - requiring a ch