Action Movies

In "Star Wars: Episode V - The Empire Strikes Back", how does the Empire find the Rebel Base?

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What DC movie character can breathe underwater and talk to fish?
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Who commands Echo Base on Hoth in "Star Wars: Episode V - The Empire Strikes Back"?
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What book is the movie "Die Hard" based on?
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Who contacted Mearing demanding that Autobots are exiled from Earth in "Transformers: Dark of the Moon"?
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What film includes the character Supreme Leader Snoke?
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