The biggest headline to come out of the weekend's Caspian Sea summit in Astrakhan, Russia, was that the five countries along the sea agreed to prevent any outside military presence from the sea. This has been a longstanding goal of the sea's two biggest powers, Russia and Iran, the result of worries that the U.S. and/or NATO would somehow gain a military foothold on the sea via security cooperation programs with Azerbaijan, Kazakhstan, or Turkmenistan.