Unidentified Imperial commander ( Keeper ' s World ) An unidentified Imperial commander led a fleet of " Imperial " - class Star Destroyers and later a team of Stormtroopers during the Battle of The Keeper ' s World . Biography . The Imperial commander commanded a fleet of " Imperial " - class Star Destroyers in the Keeper ' s World system in 0 ABY . When a Imperial Navy trooper detected an unmarked starship refusing to identify itself , the commander rightly surmised that it was a Rebel craft and ordered its capture . He did not know the vessel was crewed by the heroes of the Rebellion , Princess Leia Organa , Luke Skywalker , C - 3PO , and R2 - D2 . The Rebel ship escaped the Imperial tractor beams , but was so damaged that it crashed on the nearby Keeper ' s World . The commander took a squad of Stormtroopers and a single landing craft and gave pursuit . The commander discovered the Rebels had fled the wreckage of their ship , and pursued them . Because of the droids the Rebels ' speed was hampered , and the commander and his Stormtroopers were able to corner them in the ruins of an ancient temple . When the commander gave them an opportunity to surrender the Rebels managed to activate a teleportal , teleporting them inside the caverns within . The commander soon discovered how to activate the teleportal himself , but was surprised to find the Rebels had new allies , the strange androids who could control the elements of Earth , Fire , Rain , and Wind . The elemental onslaught forced the commander and his Stormtroopers to take cover . By the time they emerged the Rebels and the androids had fled . Giving pursuit once again , the commander used heat detector s to track the Rebels . Having tracked them to a cavernous chamber , the commander and his Stormtroopers witnessed that chamber destroyed in an explosion as the planet became dangerously unstable . Assured that the Rebels could not have survived , the commander ordered a retreat from the collapsing caverns . What the commander could not know is that the planet was under the control of the ancient computer known as The Keeper . She had manufactured the planetary upheaval , and stopped the upheaval once the Imperials had withdrawn from the planet . She also protected the Rebels from destruction during the explosion and subsequent cataclysm . Not knowing this , and believing the Rebels dead and the planetary cataclysm natural , the commander returned to his fleet . His intention was to warn Imperial High Command that the planet was a deathtrap , and warn all Imperial units away from the planet in the future . Personality and traits . The Imperial commander was in many ways a model of what an Imperial commander should be . He was decisive , barking clear orders to his subordinates , and was equally at home leading Stormtroopers on the ground as he was commanding Star Destroyers in space . He was dogged in his pursuit of Rebels , but not bloodthirsty . If possible he preferred to capture Rebels rather than kill them . However , he was not soft - hearted either , and would rather kill Rebels than allow them to escape . After multiple frustrations he became more willing to kill , and would order his Stormtroopers to shoot to kill if a pursuit dragged on for too long . He was punctual in his reports to Imperial High Command , and secure enough in his authority to send warnings and advisories to all Imperial units . If he had one flaw , it was his tendency to assume a likely outcome had actually occurred , as when he assumed the death of the Rebels he was chasing without ensuring their deaths , or simply reporting them as missing . He used " fool " as his preferred insult , using it both to describe Rebels , and also subordinates who failed to grasp the obvious , like when a groundquake made a cavern a danger to his men .