In Revenge of the Sith, How did the clones recognize Palpatine when he made the transmission to execute Order 66?

image of clone receiving Order 66

Palpatine was hooded and disfigured, so how did the clones know it was him? Do the inhibitor chips play a role in this or was it a secure communication channel only known by the clones?

  • 11
    Transmission was encrypted with Palp's private key. Little known fact, the passphrase for his key is "PapaPalpatine" :-)
    – Paul
    Feb 3, 2017 at 4:03
  • 6
    « Pa Pa Palpatine, lover of the Naboo queen… » Er, sorry.
    – Evpok
    Feb 3, 2017 at 8:50
  • My impression has been that the "Order 66" was to be viewed as much a trigger phrase implanted in them as well as an actual order so they were programmed to carry it out. Feb 3, 2017 at 8:54
  • I think he opened the communication by saying “Hey guys, this is Palpatine”, and then one clone trooper said “Wait wait — are you really Palpatine?”, and he said “Yes”, and the clone trooper was like “Okay, his story checks out.” Feb 3, 2017 at 11:43

1 Answer 1


The film's official novelisation indicates that the frequency was reserved for Palpatine.

“Yes, sir.” A silent buzzing vibration came from a compartment concealed within his armor. Cody frowned. “Go on ahead, General. We’ll be right behind you.”

That concealed compartment held a secure comlink, which was frequency-locked to a channel reserved for the commander in chief.

Star Wars Episode III: Revenge of the Sith

That being said, the Clones seem to accept the order from whoever is using the frequency without question, as a result of their training/brainwashing.

A holoscan appeared on the palm of his gauntlet: a hooded man.

“It is time,” the holoscan said. “Execute Order Sixty-Six.”

Cody responded as he had been trained since before he’d even awakened in his creche-school. “It will be done, my lord.”

The holoscan vanished.

Star Wars Episode III: Revenge of the Sith

  • Let me ask you a question, isn't there an episode on Star Wars Rebels where Rex says that he, Cody and Fives have extracted their chips ?
    – Machado
    Feb 3, 2017 at 11:27
  • @Machado - After Order 66, I gather.
    – Valorum
    Feb 3, 2017 at 11:27
  • Hm. That makes sense.
    – Machado
    Feb 3, 2017 at 11:30

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