The Jan. 8 missile attack targeted two bases in Iraq housing U.S. troops, just days after a U.S. airstrike killed Iran's top general Qassem Soleimani.

Trump's comments came amid escalating tensions in the Middle East following last week's strike on Gen. Qassem Soleimani, the head of Iran's elite Quds force.

Tuesday's breach of the embassy compound in Baghdad, which caused no known U.S. casualties or evacuations, revealed growing strains between Washington and Baghdad, raising questions about the future of the U.S. military mission there.