Protheus was arming his compressed ion grenade and set it to explode in 60 seconds when he heard someone outside the engine room. Protheus paused the grenade at 55 seconds and turned on his stealth nanotech, which makes him nearly invisible except for the fact that the outline of his body is a bit of a blur. he quickly and quietly edged his way towards the door with his right hand on his dagger, ready to attack at the slightest hint of an attempted assault. As he neared the exit he accelerated and ran through the door. He leaped quickly onto the commander and pinned one of his arms down with his left hand, and pinned the other one down with his knee. His stealth deactivated and he put his blade to the commanders throat.