Iran–Iraq War order of battle
These are the orders of battle of the Iraqi and Iranian armies for the start of the Iran–Iraq War in 1980. == Iraq == === Iraqi Armed Forces === === Iraqi Army === 1st Corps (Iraq) (HQ in Kirkuk), facing Iranian Kurdistan 7th Infantry Division 28th, 39th and 40th Infantry Brigades 11th Infantry Division 111th, 112th, 113th Infantry Brigades 2nd Army Corps (HQ in Baghdad, ACP in Khanaqin), between Qasr-e-Shirin and Dezful 6th Armored Division 16th, 25th and 30th Tank Brigades (T-62) 8th Infantry Division 3rd, 22nd and 23rd Infantry Brigades 4th Infantry Division 5th, 18th and 29th Infantry Brigades 12th Armoured Division 15th Mechanized Brigade, 9th Tank Brigade (T-55) 10th Republican Guard Tank Brigade (T-72) 2nd Infantry Division 2nd, 4th and 36rh Infantry Brigades 37th Tank Brigade (T-55) (Detached from the 12th Armoured Division) 3rd Army Corps (HQ in Basra), facing Khuzestan 10th Armoured Division 24th Mechanized Brigade, 17th and 45th Tank brigades (T-62/T-55) 1st Mechanized Division 1st and 27th Mechanized Brigades, 34th Tank Brigade (T-55) 9th Armoured Division 14th Mechanized Brigade, 35th (T-62) and 43rd (T-55) Tank Brigades 5th Mechanized Division 20th and 23rd Mechanized Brigades 3rd Armoured Division 8th Mechanized Brigade, 6th and 12th Tank Brigades (T-62) General reinforcements 31st, 32nd and 33rd Special Forces Brigades, in Baghdad 42nd Parachute Brigade, in Baghdad and Kut 147th (Scud-B) and 148th (Frog-7) Artillery Brigades === Iraqi Army Aviation Corps === 2nd Squadron (Mi-8/17) 4th Squadron (Mi-8/17) 12th Squadron (Mi-8/17) 15th Squadron (Mi-8/17) 21st Squadron (SA.342 Gazelle) 22nd Squadron (SA.342 Gazelle) 25th Squadron (Mi-25) 30th Squadron (SA.316B Alouette III) 31st Squadron (SA.342 Gazelle) 55th Squadron (Mi-8/17) 61st Squadron (Mi-25) 66th Squadron (Mi-25) 84th Squadron (SA.342 Gazelle) 88th Squadron (SA.342 Gazelle) === Iraqi Air Force === 1st Squadron (16 Su-20) (Kirkuk) 3rd Squadron (1 Tu-124, 3 Falcon 20) (Baghdad) 5th Squadron (18 Su-22) (Mosul) 7th Squadron (18 MiG-21F/P) (Baghdad) 8th Squadron (16 Su-7, 7 Su-7U) (Kut) 9th Squadron (18 MiG-21MF) (Mosul) 10th Squadron (12 Tu-22, 6 Tu-16, 2 Tu-22U) (Tammuz) 11th Squadron (20 MiG-21MF) (Baghdad) 14th Squadron (16 MiG-21bis) (Kut and Basra) 17th Squadron (7 MiG-21F, 12 MiG-21U) (Tikrit) 23rd Squadron (10 An-12, 9 An-24, 2 An-26) (Baghdad) 27th Squadron (12 MiG-21P, 12 MiG-21U, 8 MiG-23U) (Baghdad) 29th Squadron (18 MiG-23BN) (Kut) 33rd Squadron (6 Il-76) (Baghdad) 37th Squadron (16 MiG-21bis) (Kirkuk) 39th Squadron (18 MiG-23E) (Tammuz) 44th Squadron (16 Su-22) (Kirkuk) 47th Squadron (16 MiG-21bis) (Kirkuk) 49th Squadron (18 MiG-23BN) (Nasiryiah) 70th Squadron (12 MiG-21MF, 4 MiG-21R) (Baghdad) 109th Squadron (18 Su-22) (Basra) === Iraqi Navy === At Basra 6 torpedo boats (P-6 Class), 3 Light Patrol Boats 3 Minesweepers 1 Naval Infantry Battalion At Umm Qasr 14 Missile Boats (Osa-Class) 7 Light Patrol Boats 4 Amphibious Assault Ships (Polnocny Class) 2 Naval Infantry Battalions 1 Frogmen Group Super Frelon helicopters armed with Exocet missiles At Al-Faw 4 Torpedo Boats 3 Light Patrol Boats 2 Minesweepers 1 Naval Infantry Battalion === Other forces === Sudan sent seven infantry brigades (53,000 men) to help Iraq against Iran.
Source: Wikipedia — Iran–Iraq War order of battle (CC BY-SA 4.0)