The attack was the worst and deadliest in a year on the U.S.-led military coalition in Iraq, and was the first time since late 2020 that Western military or diplomatic installations were targeted in the country. It was the most serious attack on the U.S.-led coalition since the Biden administration took power in January 2021 and sparked fears of escalation. Following the attack, the North Atlantic Treaty Organization (NATO) announced that it would increase the size of its forces in Iraq from 500 to around 4,000 personnel. Another attack was carried out on the airport in April 2021.
