Senate Armed Services Committee Holds From Top Military Leaders On ISIL Threat [Getty Images]

WASHINGTON, DC - SEPTEMBER 16: Senate Armed Services Committee member Sen. Ted Cruz (R-TX) questions witnesses during a hearing about the Islamic State of Iraq and the Levant in the Hart Senate Office Building on Capitol Hill September 16, 2014 in Washington, DC. Senators questioned the top military and civilian leaders about the threat posed by the terrorist group calling itself ISIL. (Photo by Chip Somodevilla/Getty Images)

Getty Images News Chip Somodevilla