Since the High Republic Era, virtually all Jedi used headsets to communicate with other pilots or their astromech droids, as was the case with Obi-Wan Kenobi during his skirmish with Jango Fett in orbit of the planet Geonosis.
Imperial crewmen such as ensign Cauley, a tactical officer on board the Imperial-class Star Destroyer Ultimatum, wore a headset while stationed on the vessel's bridge.
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