A Bahraini armored personnel vehicle reinforces U.S. Embassy security just outside of a gate to the building in Manama, Bahrain, on Sunday, Aug. 4, 2013. (AP Photo/Hasan Jamali)
Bangladeshi police stop a motorist for checking in front of the U.S. Embassy building that remained closed due to security threat in Dhaka, Bangladesh, Sunday, Aug. 4, 2013. (AP Photo/A.M. Ahad)
** FILE ** No one was seriously hurt in the Taliban's Sept. 13, 2011, attack on the U.S. Embassy and NATO headquarters in Kabul, but a State Department inspector general's report cited "unnecessary risk to staff" because of a lack of resources. (Associated Press)
A man who the Russian Federal Security Service (FSB) claims is Ryan Fogle, a third secretary at the U.S. Embassy in Moscow, is pictured at FSB offices in Moscow early on Tuesday, May 14, 2013. (AP Photo/FSB Public Relations Center)