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

WASHINGTON, DC - JULY 29: Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey (R) testifies before the Senate Armed Services Committee about the nuclear deal struck between Iran and six nations, including the United States, with (L-R) Secretary of State John Kerry Treasury Secretary Jacob Lew, Defense Secretary Ashton Carter and Energy Secretary Ernest Moniz on Capitol Hill July 29, 2015 in Washington, DC. Kerry and Moniz met with the Iranians in Europe to negotiate the deal, which the Obama administration says will eliminate Iran's ability to make a nuclear weapon for at least ten years. (Photo by Chip Somodevilla/Getty Images)