Port Wander was founded by the Imperial Navy in 917.M40 as a staging ground to investigate the loss of many vessels on the fringes of the Drusus Marches. With the discovery of the Koronus Passage into the Koronus Expanse region of the Halo Stars in the late 40th Millennium, the space station grew in importance owing to its close proximity to the Passage. Its original role as a base for Imperial military operations was slowly forgotten, and Port Wander became a way station for those daring passage into the Koronus Expanse. Merchants and mercenaries began to choke the once -- deserted corridors of the station, and strangers shook the dust of distant stars from their boots while trading wondrous things from beyond the Great Warp Storms.