What they found on their first surveys on the planet was an entire surface of untouched wilderness. Further scans were to show, however, the remains of an ancient civilization buried beneath the soil. As surface excavations began, contact was lost with the explorator fleet and forces were dispatched to investigate.
As more Imperial vessels dropped into planetary orbit, they picked up the warp transmissions of alien craft entering the system, as well as unusual pulses coming from the planet itself. It isn't only the Imperium that wishes to purge Coheed VII of its ancient secrets.
