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In both A New Hope and Rogue One, there is a guy in a tower with a radar gun looking thing. He points the device at all incoming and outgoing ships.

What is his purpose and what is he doing?

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marked as duplicate by Null star-wars Jan 9 '17 at 3:00

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  • 2
    I just like the notion that he's "outside" Yavin IV. – Buzz Jan 9 '17 at 2:40
  • @Buzz Oops... yeah, I meant outside the temple on Yavin 4. – Scottie Jan 9 '17 at 2:42