US airstrikes follow a spate of sophisticated attacks by Iranian drones that can avoid US surveillance

The latest of these attacks occurred earlier this month when an armed drone detonated at a dining facility at a key entry point in the Baghdad airport used by American soldiers and diplomats, a US military official told CNN. In April, a drone damaged a CIA drone hanger near Erbil.

The American airstrikes Sunday night hit operational and weapons storage facilities at two locations in Syria and one in Iraq, according to the Pentagon, targets that were “selected because these facilities are utilized by Iran-backed militias that are engaged in unmanned aerial vehicle (UAV) attacks against U.S. personnel and facilities in Iraq.”

The strikes were initially contemplated after the April attack in Erbil, according to one source briefed on the decision, but were put on hold until this weekend, when another attack by four of the more precise Iranian drones hit the northern Iraqi city — including one that landed near the building site for a new US consulate. There were no Americans killed or…