Star Trek episode "The Doomsday Machine":
https://en.wikipedia.org/wiki/The_Doomsday_Machine_(Star_Trek:_The_Original_Series)
English
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'Doomsday machine' refers to the title of an original Star Trek episode. And I used the word 'catalyst' to mean that Star Trek episode was a possible inspiration, or 'catalyst' for the Leviathan (ship) in the D2 raid. I apologize for any confusion.