Crenshaw stood by the door for a few minutes, watching the activity in the room. Most of the work stations were occupied. A quick glance at the duty board showed that the personnel belonging to the empty slots were out on assignment. Everyone was busy, or at least busy looking that way. Marushige presided over the room from his operations desk. She took the dark circles under his eyes as confirmation that the security chief had been up all night watching events develop on the situation screens that filled one wall.