Galactic Rim

The Galactic Rim is the term in stellar cartography which refers to the region of the Great Spiral that delineates the outer boundaries of the galactic structure.

Largely unexplored by the polities of Known Space, the Galactic Rim is a region of lawlessness and piracy. Occasionally several powers will team up to patrol areas that are close to major traffic lanes, and on rarer still occasions, powers will send a battle squadron in to flush out and eliminate a pirate stronghold.