Thats a range clock normally found on the deck of old dreadnoughts, it helps to train the turrets when orders are given for a "Seven o`clock bearing" for instance. http://www.patriotfiles.com/forum/imgcacheA/25101.png
Such is life when you wake up from a 3hr afternoon nap after not sleeping all night and immediately hop on 'Booru. I'm surprised I set the child relationship properly, to be honest.