Three US cargo plane dropped a package of assistance to refugees in the mountains.
United States bringing food and water from the aircraft to the thousands of Iraqis who were hiding in the mountains because it avoids the militant group, said the Pentagon.
In a statement, Pentangon said the aid is delivered by a C-17 cargo aircraft and two C-130 can carry 72 overall aid package.
The launch comes after the United States help make airstrike. This attack marks the first military operation in Iraq since the withdrawal of troops in 2011.
DI recently have mastered a new territory in the northern Iraqi city of Irbil and, Kurdish, is now under threat.
Responding to attack the United States, AT remains challenging and a fighter told Reuters that the attacks "have no impact on us".
First air raid conducted on Friday (08/08).
"The aircraft attacking targets they deem strategic, but this is not how we operate. We trained for guerrilla warfare path," he said.
Meanwhile, the US million has put pressure on Iraqi leaders united against the armed groups.
Daulah Islamiyah has mastered a number of parts of Iraq and Syria and also has seized Iraq's largest dam.