Five rockets targeted Sunday an Iraqi airbase hosting US soldiers and at least two projectiles hit the facilities of an American firm that provides maintenance to planes, a security source said.

Five rockets target Iraq base hosting Americans: security source

The United States will "do what's necessary" to defend itself, Pentagon chief Lloyd Austin said Sunday, days after rockets hit an Iraqi base hosting coalition troops, further escalating US-Iran tensions on Iraqi soil.

US will do 'what's necessary' after Iraq rocket attack: Pentagon chief

Pentagon said on Wednesday that a civilian contractor who died during the rocket attack on an Iraqi base hosting US-led coalition troops was a citizen of the country.

Pentagon says US contractor died of 'cardiac episode' in Iraq rocket attack

A rocket attack in northern Iraq killed an American contractor and wounded several military personnel Friday, the first US casualties from a string of recent strikes, the international coalition against the Islamic State group said.