The Atterra Belt existed within the Atterra system of the Outer Rim Territories, identified as an asteroid field. The Cobalt Hammer, an MG-100 StarFortress SF-17, journeyed across the Atterra Belt amidst the First Order-Resistance War, where it battled numerous TIE fighters. Observers on Atterra Bravo could see the belt's larger asteroids, which shone more intensely than the distant stars.