Operation Laylat al-Qadr ( ) , Iran 's Islamic Revolutionary Guards Corps ( IRGC ) fired six surface-to-surface mid-range ballistic missile from domestic bases targeting ISIL forces in the Syrian Deir ez-Zor Governorate in response to the terrorist attacks in Tehran earlier that month . Next day , the IRGC published aerial videos recorded by the Damascus-based IRGC drones flying over the city during the operation , confirming that the missiles had successfully hit the targets with precision . The attack constituted the first operational use of Iran 's ballistic missiles since the Iran – Iraq War of the 1980s
terrorist attacks in Tehran
2017 Tehran attacks
2017 Deir ez-Zor missile strike