Re: (commander) disappeared one night and was never seen again
			 
             
			
		
		
		
		Most likely there is a siren in the province. 
 
I´ve gotten sirens as commanders from random events, when playing land nations. Rather often, in fact. Patrol the province and pwn her. 
 
If you are close to the enemy border you have the problem of them flying and being able to retreat, through. 
		
	
		
		
		
		
		
		
		
		
		
	
		
		
	
	
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