Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Mosul Operation Involves Complex Military Coalition by Catherine Maddux The massive military push to oust the so-called Islamic State from Mosul, Iraq's second largest city, involves Iraqis, Kurds, Americans and even members of the Iraq's Shi'ite community. A U.S. Army soldier stands with his weapon at a military base in the Makhmour area near Mosul during an operation to attack Islamic State militants in Mosul, Iraq, Oct. 18, 2016. U.S. military officials have warned the operation, which is likely to include street battles once Iraqi and Kurdish troops fight their way inside Mosul, is likely to take weeks. A young girl smiles at a refugee camp housing Iraqi families who fled fighting in Mosul on Oct. 18, 2016. 's Hasakeh province. The complexity of the fight became obvious after IS militants attacked Kirkuk, a city to the east of Mosul. And, of course, the fighting has prompted a frenzied rush of civilians, who are fleeing IS-controlled Mosul by the tens of thousands at great personal risk to U.N. camps in Syria.