Their assumed 'imperials' were infarct not, and was instead an Imperium scout force from the the secluded empire of the Crimson Imperium. It was a small force of vessels, numbering a half dozen cargo ships for supply, a ECM frigate within the center, a light cruiser at the spear of the head, and a number of destroyers and frigates helping form the protective wedge that lied infront of the cargo ships.
Upon the medium sized bridge, the captain sat. His two kilometer light cruiser that lead the force of vessels. Another figure standing next to the command seat he was upon. The Senior officer, a curved femenine figure. With long hair that was a dirty blonde.
"Continue the search of the unknown area, all vessels are to maintain formation as we run the trace. Continue advanced threat recon."
The probes launched continue bouncing signals around the system as they slowly built a map of it, a squadron of fighters with one different craft within the center of the diamond formation flew ahead of the formation of warships.