squad room

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A room in a police station where officers assemble, as for assignment or briefing.
• noun A room in a barracks in which a number of troops are lodged.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a room in a barracks where soldiers are billeted
• noun a room in a police station where members of the force assemble for roll call and duty assignments