Russia is important for Turkish national interests and much closer to its borders than the U.S.
The difficulty of getting out of this mess is that for both Washington and Ankara, the issue has become a topic of national pride.
[I]t is now also a question of supremacy in the Middle East.
'A nuclear-armed Iran is not in the interest of Turkey as it would challenge Ankara’s own regional-power position in the Middle East.'
The United States’ strategy in the Middle East can be well understood by the use of its bases on its allies’ land. The presence of a U.S. outpost in a country is always an indication of significance, but the withdrawal from one base to another is an especially unequivocal sign of major changes taking place.