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MOSUL, IRAQ - MAY 11: Iraqi Army and volunteer fighters receive military training at Mosul Military Camp as a part of an operation preparations to seize control of Mosul from Daesh (Islamic State of Iraq and Levant) terrorists on May 11, 2015 in Mosul, Iraq. (Photo by Adem Demir/Anadolu Agency/Getty Images)

MOSUL, IRAQ - MAY 11:  Iraqi Army and volunteer fighters receive military training at Mosul Military Camp as a part of an operation preparations to seize control of Mosul from Daesh (Islamic State of Iraq and Levant) terrorists on May 11, 2015 in Mosul, Iraq. (Photo by Adem Demir/Anadolu Agency/Getty Images)