Iran Update, May 31, 2023
May 31, 2023 - ISW PressIran has bolstered its defensive position in eastern Syria since the end of the escalation cycle that occurred in March, likely to facilitate the transfer of advanced conventional weapons into Syria. Iranian shipments of advanced air defense equipment and precision guided munitions that arrived in Syria through the Albu Kamal border crossing in Deir ez Zor Province were the targets of Israeli drone strikes in February and March, as CTP previously reported. Iran has been transferring conventional air defense weapons to eastern Syria, training forces in Syria to use the weapons, and improving operational security in Deir ez Zor Province since mid-March. Israel has not conducted drone strikes in eastern Syria since March 23.