The Vorlon observation post was a listening station established near Coriana VI so that the Vorlons could watch the construction of the Shadow base.[1]
In 2261, Sheridan's fleet of White Stars attacked and destroyed the base before heading to Coriana VI. This was to blind the Vorlons to their plans, similar to the mission to plant false information to the Shadows.
References
 Vorlon Empire Ship Classes
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| Capital Ships | ||
| Cruiser • Planet Killer | ||
| Fighters | ||
| Fighter | ||
| Transports | ||
| Transport • Giant Ancient Transport • Sentinel • Small Ancient Transport | ||
| Other | ||
| Observation Post | ||