Seven rockets hit the al-Balad airbase, about eight miles north of the capital Baghdad, according to Reuters news agency. But the details of the number of rockets are falling apart. AFP News Agency reports on eight rockets.
The majority of Americans who have been on the Iraqi base have recently left the area because of the conflict with neighboring Iran.
"There are no more than 15 American soldiers and a single plane on al-Balad," a military source told AFP.
A series of rocket and grenade attacks against military bases in Iraq, where the United States has soldiers, have been carried out in recent months. Iraqi soldiers have been injured mainly in the attacks, but last month killed an American citizen working for the military.
The US has accused Iranian-friendly Iraqi militia Kataib Hezbollah of being behind the deadly attack last month. On January 3, the US killed Iranian general Qassem Soleimani, commander of the Iranian Revolutionary Guards special forces Quds, and Iraqi Abu Mahdi al-Muhandis, leader of Kataib Hezbollah in a drone attack in Iraq's capital Baghdad.
According to the United States, Soleimani planned attacks against Americans in the region.