"The Empire needs quick and creative minds, Ensign. You're hereby promoted to lieutenant… and your first assignment is to find a way to break a covert shroud."
By 9 ABY, Ensign Mithel continued to serve aboard the Chimaera as a tractor beam operator, and in that year he was charged with capturing Jedi KnightLuke Skywalker as he fled the planet Poderis in a Class 720 freighter. However, as Mithel locked onto the freighter, the Jedi flew off in an X-wing starfighter that had been concealed within the larger vessel, using a covert shroud maneuver to evade capture. A successful counter to the maneuver had never been developed, but the Ensign attempted to ensnare the X-wing nonetheless before the tractor beam froze up and Skywalker escaped. Mithel reported his failure to Grand Admiral Thrawn, who noted the ingenuity of the operator's effort. Thrawn applauded Mithel for his quick thinking, promoting him to the rank of lieutenant and tasking him with developing an effective response to the covert shroud.
Thrawn devised a plan to use the Chimaera's tractor beams and his transport, the light freighterLost Reef, to knock the Star Destroyer off course. Given the Chimaera's situation, Mithel was the only tractor beam operator available, and it fell upon him to enact the strategy. Mithel succeeded in snaring the Lost Reef with the Star Destroyer's tractor beam, drawing in and releasing the smaller vessel in a repeated pattern. Due to the nature of the tractor beam, Mithel's execution of Thrawn's tactic enabled both the Star Destroyer and the freighter to move to their common center of mass, slowly shifting the Chimaera off its path. With the collision avoided, the warship was able to rejoin the Imperial forces in driving off Nuso Esva.[3]
"Sir, I had just established a positive lock on the freighter when it broke up into a cluster of trac-reflective particles. The targeting system tried to lock on all of them at once and went into a loop snarl." "And what did you do?" "I—sir, I knew that if I waited for the particles to dissipate normally, the target starfighter would be out of range. So I tried to dissipate them myself by shifting the tractor beam into sheer-plane mode." "It didn't work." "No, sir. The target-lock system couldn't handle it. It froze up completely."
―Ensign Mithel explains his actions to Grand Admiral Thrawn[src]
Mithel explains his actions to Grand Admiral Thrawn
Operating from the bridge's starboard crew pit,[2] Mithel prepared to capture Skywalker's freighter in a tractor beam before the Jedi could escape the system. However, Skywalker had been prepared for such an occurrence. Using a covert shroud maneuver, he activated his ship's self-destruct sequence and flew off in an X-wing starfighter held in the vessel's modified cargo bay just as the tractor beam secured a lock on the freighter. When the ship exploded, the tractor beam was unable to compensate for the large amount of debris, prompting Mithel to improvise. The Ensign attempted to counteract Skywalker's maneuver by quickly adjusting the beam's setting in an effort to lock on to the X-wing, but the attempt failed as the tractor beam froze. Though the Chimaera opened fire on the X-wing, Skywalker was able to make the jump to hyperspace. Realizing his failure, Mithel expected to be executed for allowing Skywalker to escape. Nevertheless, the tractor beam operator calmly explained what had transpired when questioned by the Grand Admiral, noting that he had been unprepared to deal with a covert shroud maneuver.[1]
Rather than punish the Ensign, Thrawn applauded Mithel for his quick thinking and innovative, if unsuccessful, response, promoting him to the rank of lieutenant and assigning him the task of finding an effective response to the covert shroud. Shocked by the turn of events, Mithel graciously accepted the assignment.[1] The new lieutenant proceeded to analyze the covert shroud maneuver and look for a way to thwart it, ultimately determining that the method he employed[4] against Skywalker's covert shroud[1] would have been successful had the control computer of his tractor beam been modified to handle the sensor signals produced by trac-reflective particles. Mithel prepared a communique for the Grand Admiral that briefly detailed the covert shroud maneuver and included his findings, adding a request that a skilled computer technician be assigned to reprogram a tractor beam's control computer to put the theory to the test. Mithel's transmission was later intercepted by the New Republic.[4]
"Several methods have been suggested over the past few decades for counteracting the covert shroud gambit, none of which has ever been made practical. Yours was one of the more innovative attempts, particularly given how little time you had to come up with it. The fact that it failed does not in any way diminish that."
―Thrawn lauds Mithel's attempt at counteracting a covert shroud maneuver[src]
Rejlii Mithel's signature
Fair-skinned with blackhair,[2] Mithel was an energetic and courageous officer committed to serving the Empire, the kind of talented being whom Thrawn wanted to make up a renewed Empire.[4] During the battle in the Poln system in 0 ABY, Mithel was able to use his command of the tractor beam to successfully employ Thrawn's makeshift tactic, saving the Chimaera from destruction. He later reported on the Star Destroyer's status with an audacity that caught Pellaeon off-guard, as Mithel was merely a crewer, not a bridge officer.[3]
Years later, Mithel continued to serve as one of the Chimaera's tractor beam operators, and he was charged with capturing Jedi Luke Skywalker above Poderis in 9 ABY. He attempted to counter Skywalker's covert shroud maneuver by altering his tractor beam's mode, a quick-thinking improvisation that ultimately failed to capture the Jedi. Mithel feared he would be executed for the failure; nevertheless, he calmly explained his actions to Grand Admiral Thrawn, who knew that an effective countermeasure to the covert shroud had never been developed. Impressed by the Ensign's effort[1] and potential,[4] the Grand Admiral rewarded the tractor beam operator with a promotion and a new assignment to put Mithel's creativity to use in developing a successful response to the covert shroud maneuver.[1] Ultimately, Mithel determined that his tactic would have been successful had his tractor beam's control computer been programmed to deal with trac-reflective particles.[4]