Imperial High Command, also known as Imperial Command, High Command, or simply as IHC, was the military command hierarchy of the Galactic Empire. The Sith Lord Darth Vader and Grand Admiral Thrawn were members of Imperial High Command. It had numerous sub-hierarchies. One such sub-hierarchy developed new strategies and tactics as part of the Empire's five-year plans for the Outer Rim Territories.

According to Minister Maketh Tua, Imperial High Command was not able to take action against Rebel-sympathisers who had powerful friends in the Imperial Senate.

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