MSE-6-series repair droid

The MSE-6 droid, sometimes referred to as the mouse droid, was a small, box-shaped, wheeled general purpose MSE-series droid often used for delivery and maintenance purposes. MSE-6 units were most notably on Star Destroyers and both Death Stars during the time of the Galactic Empire.

Specifications
The MSE-6 stood about 25 centimeters tall and ran on six wheels. The MSE-6 droid, although programmed with multiple capabilities, was designed with only a singular function. A modular circuit matrix was installed beneath the droid's boxy shell, and contained programming for one skill. Commonly, mouse droids carried out cleanup and basic repair duties, and could serve in security and communications fields. Since each droid possessed only a single skill, multiple mouse droids could chain together to pool their resources for more complex assignments. Trains of MSE-6 droids could often be seen guiding troops through military installations; this kind of duty required mouse droids to be programmed with complete readouts of their assigned areas. In addition, due to their use in military outposts, MSE-6 units were rigged to melt down if captured, giving the droids a strong self-preservation instinct.

History
The MSE-6 was developed by the Chadra-Fan at Rebaxan Columni, based on the earliest MSE design, the MSE-1T droid. Rebaxan produced billions of the droids, heavily promoting them in over four hundred sectors and marketing them as "cute"; the general public instead considered them irritating. Many MSE-6 droids were used by the Republic Navy during the Clone Wars. The Confederacy of Independent Systems also maintained a number of tiny MSE variants in the Separatist Council War Room on Mustafar during the end of the Clone Wars.

Gara Petothel and her R2-series astromech droid Tonin used the MSE-6 droids of Zsinj's command ship Iron Fist to destroy it by reprogramming them and replacing their wheels with magnetic strips. They destroyed the engines and hyperdrive engines, making the ship virtually immobile so that General Solo could come destroy the ship in the during the Battle of Selaggis.

Rebaxan Columni became desperate to sell the massive collection of droids they had built, so they sold the entire lot of them to the Empire for work in the Imperial Navy before bankruptcy.

Decades later, at the height of the Yuuzhan Vong War, the Galactic Federation of Free Alliances modified a number of mouse droids to serve as mobile surveillance units to root out infiltrators on Mon Calamari.

Notable units

 * MSE-6-E629L
 * MSE-6-P303K

Appearances

 * Star Wars: The Clone Wars
 * Star Wars: Republic Commando
 * Star Wars Episode IV: A New Hope
 * Tag and Bink are Dead
 * Star Wars: Dark Forces
 * Star Wars Episode V: The Empire Strikes Back
 * Star Wars Episode VI: Return of the Jedi
 * The Last Command
 * X-wing: Solo Command
 * Star Wars: Jedi Knight II: Jedi Outcast
 * Star Wars: Jedi Knight: Jedi Academy
 * Children of the Jedi
 * Dark Tide II: Ruin
 * Agents of Chaos I: Hero's Trial