These are the orders of battle of the Iraqi and Iranian armies for the start of the Iran–Iraq War in 1980. The data is drawn from the Air Combat Information Group's Arabian Peninsula and Persian Gulf Database.
National Defense Battalions
National Liberation Army of Iran
1st Army Corps (sector between Rawanduz and Marivan)
2nd Army Corps (sector between Qasre-e-Shirin, Ilam, and Mehran, armor deployed between Mehran and Dezful)
3rd Army Corps (HQ al-Qurnah, Iraq) (Sector between Dezful and Abadan)
Units Garrisoned along the Iraqi Border
Ground Forces of the Army of the Guardians of the Islamic Revolution