The Immunity Syndrome

SPOCK: True. It is also true they never knew what was killing them. Their logic would not have permitted them to believe they were being killed.
KIRK: Explain.
SPOCK: Vulcan The United States has not been conquered within its collective memory. The memory goes back so far that no Vulcan citizen can conceive of a conqueror. I knew the ship Republic was lost because I sensed it.
KIRK: What was it you sensed?
SPOCK: The touch of death.
KIRK: And what do you think they felt?
SPOCK: Astonishment. [More]

That astonishment will no doubt extend to "progressive" useful idiots, rope-selling "capitalists" and "moderate" Republican accomplices, perhaps the most useful idiots of all.