User blog comment:CrimsonShogun/Omega DLC (and Nyreen!)/@comment-4973403-20121112183951/@comment-3969416-20121114015027

Cerberus wouldn't devote a whole armada to blockade it unless something big was going down on Omega. No doubt they are testing their Reaper experiment, the Adjutants, so as to shortly unleash them into the galactic fray.