A Spy Within.

"Was it intercepted!?" Asked sergeant Skalor as blood oozed from between the mighty fingers of his power fist. The lifeless body of the traitor hanging limp by the head in Skalor's deathly grasp. The pungent smell of ozone and burning flesh filled the air. The ship's dark corridor was deserted apart from the two marines and charred corpse. The only sign of life the flashing lights across the access panel reflecting on the rockrete walls and deamonic statues nearby.
"Only a small portion made it through sir." Replied the other marine viewing the data on the screen. "I doubt the fools will be able to interpret it."
"Do not underestimate them Firos. We must inform command at once!" he dropped the body to the floor and turned to look at Firos who was shifting uneasily. "What is it soldier?"
"It’s just, it’s our watch sir. Perhaps it would be better if the body wasn’t found by us? Let some other fools take the blame?"
Skalor sneered and turned away from him, what a pathetic coward he had to patrol with. Skalor had no fear of the wrath of his superiors. He even patrolled now just to get away from them and their vicious in fighting. "Keep me where the blood and glory is." That was his life motto. His face broke into a crooked smile as he spoke.
"Very well Firos. IF you don’t want a body to be found, then it won’t be."
Firos grinned as Skalor spun on him and with a sharp thrust embedded the crackling fist deep within his chest. A look of vague confusion flashed across Firos's face as he fell to the ground lifeless and silent.
"Pathetic." Muttered Skalor as his fist dripped once again with blood. He bent over his comrade’s remains and stripped his armour of anything valuable before dragging it to a nearby incinerator. His task complete the sergeant turned back down the arched corridor and headed in the direction of the vessels command centre.

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The following is a classified data screen obtained from onboard the Nemesis Inferno, the flagship of the Crimson Wing.

Mechanicus Techs are currently analysing to decifer where the location is and we shall send adequate forces to combat the threat.

File sender was shortly terminated after transmission, may the Emporer protect their soul.