Emergency Code Zero was an Imperial emergency code. If a ship were to receive this signal, it was to immediately divert from it's current task and assist.
The code was activated at the First Battle of Kuat, when ships of the Rebellion attacked a shipyard over the planet. The activation of the code resulted in the Star Destroyer Tyranny being diverted from it's post at Fresia, where it had been stationed by Darth Vader himself.
Appearances
In other languages