the Adeptus Astartes forces were able to retake the Deep Space com array from the Traitor Legions.Also there Is more disturbing new form
Fortress HIBERNA,it seem that the Planetary defence force has turned to the the Traitors,and no longer are to be trusted in any way.This is why Chaos was able to take this fortress so fast.
Scout reports Have seen a large force of Traitor
moving to the Canaba battery.