Hollan D1 sector
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Hollan D1 Sector was in the Expansion Region. It hosted an Imperial supply depot.
After Overlord Ghorin's doublecross, the Rebel Alliance took revenge on him by using his BTL Y-wing starfighters to destroy the depot. The aim was to bring shortage to Imperial foodstuff, discredit Ghorin and present him as a traitor to the Empire.
The depot was guarded by the frigate Sentinel, but the Star Cruiser Cathleen arrived and with the fire from her turbolasers, drove the SD away to facilitate the attack.