Standard treadwell droid. This one, also known as ‘Eyesixsixtoo’, is typical of the thousands of droids which repair and maintain heavy machinery and starfighters.
Adds immunity to attrition < 2 to all your vehicles and droids at same location. Also, if 'treadwell' droid is at a docking bay, adds immunity to attrition < 3 to all your starfighters at the related system and related sectors.