Top Administration Officials Testify To Senate Armed Services Committee Hearing On Military Balance In Mid East

WASHINGTON, DC - JULY 29: Secretary of State John Kerry (C) arrives before testifying to the Senate Armed Services Committee about the nuclear deal struck between Iran and six nations, including the United States, on Capitol Hill July 29, 2015 in Washington, DC. Kerry and fellow cabinet officials said the deal will eliminate Iran's ability to make a nuclear weapon for at least ten years. (Photo by Chip Somodevilla/Getty Images)