Return-to-Coruscant

Return-to-Coruscant was a transmission activated by Darth Vader during Operation: Knightfall through the Jedi beacon. The code - an audio signal consisting of a series of accelerating beeps - would alert Jedi that the Clone Wars were over, and to return to the Jedi Temple on Coruscant. In truth, the code was a plot to draw in and kill any Jedi that survived Order 66. The code would be deactivated by Obi-Wan Kenobi and Yoda during their infiltration of the temple, with Kenobi altering the beacon to send out a "run and hide" code instead.

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