Operation Samen-ol-A'emeh

Operation Samen-ol-A'emeh
	Part of Iran–Iraq War, Siege of Abadan
	; Iranian soldiers participating the Operation Samen-ol-A'emeh
Date	27–29 September 1981; (2 days)
Location	Abadan, Khuzestan province, southwest Iran
Result	Iranian victory Iraqi siege of Abadan is broken;
Belligerents
Iraq	Iran
Commanders and leaders
Saddam Hussein; Gen. Juwad Shitnah	Ruhollah Khomeini
Units involved
	Abuzar Brigade; 77th Infantry Division of Khorasan; 36th Armoured Brigade of Shiraz; Navy's Takavar Battalion; Separate brigades from IRGC; Local volunteers; IRIAA; IRIAF
Strength
50,000–60,000 troops; numerous armoured vehicles; 200 artillery pieces	15,000 troops (inside Abadan); 20,000–30,000 troops outside
Casualties and losses
3,000 killed; 1,656 captured; 90 tanks/APCs destroyed; 100 vehicles destroyed; 3 aircraft destroyed; 1 helicopter destroyed; 100 tanks, 40 APCs, 3 loaders, 150 vehicles captured	3,000 killed; 150 tanks destroyed; 9 AH-1J destroyed; 2 CH-47 destroyed; 3 Bell-214 destroyed

Operation Samen-ol-A'emeh (Persian: عملیات ثامن‌الائمه, lit. 'Operation Eighth Imam') was an Iranian offensive and operation in the Iran–Iraq War between 27–29 September 1981 where Iran broke the Iraqi Siege of Abadan. The operation was carried out by the Iranian army joined by the Islamic Revolutionary Guard Corps.