US CENTCOM reported that unspecified actors launched 15 122mm rockets from Iraq at the US forces at the Rumalyn Landing Zone in Syria on December 3.[41] The Islamic Resistance of Iraq nor has any other actor claimed responsibility for the attack at the time of writing. The Islamic Resistance in Iraq previously claimed that it launched two one-way drones toward US positions around Rumalyn on November 11.[42]
Kataib Sayyid al Shuhada Secretary General Abu Alaa al Walai condemned in a post on X (Twitter) on December 5 the US self-defense strike against Iranian-backed Iraqi militants on December 3.[43] US CENTCOM confirmed that the United States conducted a self-defense strike against five Iraqi militants planning a one-way drone attack on US forces near Kirkuk, Iraq, on December 3.[44] Iranian-backed Iraqi militia Harakat Hezbollah al Nujaba (HHN) acknowledged that the killed individuals were members of the militia.[45] HHN Secretary General Akram al Kaabi threatened on December 4 to retaliate against US forces for the airstrike.[46]
https://www.understandingwar.org/backgrounder/iran-update-december-5-2023