Permission of the Turkish government should not be assumed. A timely article in EDM (as I work through brown bag reading):

TURKEY’S DELICATE ACT OF BALANCING IN THE BLACK SEA
By Saban Kardas
Wednesday, August 27, 2008
The aftershocks of the conflict in Georgia continue to dominate regional politics, highlighting the difficulties Turkey encounters in conducting its foreign policy in dangerous neighborhoods. The latest U.S. move to utilize military vessels to provide humanitarian aid to the war-torn areas of Georgia demonstrated starkly how Turkey has been forced to engage in a delicate act of balancing to preserve its interests. By maintaining strict adherence to the 1936 Montreux Convention regulating the rules of transit through Turkish straits, Turkey had a powerful legal backing for its cautious policy of balancing the demands of its long-term ally, the United States, and its increasingly assertive neighbor, Russia. Turkish policy experts, however, believe that an escalation of tensions, forcing Turkey to choose sides, is quite likely. Moreover, Turkey should be prepared to discuss the revision of Montreux, which it has jealously guarded......
http://www.jamestown.org/edm/article...cle_id=2373331