At least one of the blasts were heard inside the air base itself, according to the report.
The Ain al-Asad base was shelled for three consecutive days. On the night of October 20, the base was attacked by drones and rockets, numerous explosions were heard inside, and the next day it was attacked by two drones.
On October 22, a drone landed inside the base without causing any damage.
The Ain al-Asad airbase hosts the US military as well as other members of the international anti-terror coalition.