September 22, 1980 (Persian calendar 1359/6/31) Iraq launched a full-scale invasion of Iran on 22 September 1980. The Iraqi Air Force launched surprise air strikes on ten Iranian airfields with the objective of destroying the Iranian Air Force. The attack damaged some of Iran's airbase infrastructure, but failed to destroy a significant number of aircraft: the Iraqi Air Force was only able to strike in depth with a few MiG-23BN, Tu-22, and Su-20 aircraft. Three MiG-23s managed to attack Tehran, striking its airport but destroyed only a few aircraft. The next day, Iraq launched a ground invasion of Iran along a front measuring 644 km (400 mi) in three simultaneous attacks. The invasion's purpose, according to Saddam, was to blunt the edge of Khomeini's movement and to thwart his attempts to export his Islamic revolution to Iraq and the Persian Gulf states. Saddam hoped that by annexing Khuzestan, he would send such a blow to Iran's prestige that it would lead to the new government's downfall, or, at very least, end Iran's calls for his overthrow. Of Iraq's six divisions that were invading by ground, four were sent to Khuzestan, which was located near the border's southern end, to cut off the Arvand Roud from the rest of Iran and to establish a territorial security zone. The other two divisions invaded across the northern and central part of the border to prevent an Iranian counter-attack. Two of the four Iraqi divisions, one mechanized and one armored, operated near the southern end and began a siege of the strategically important port cities of Abadan and Khorramshahr. The other two divisions, both armored, secured the territory bounded by the cities of Khorramshahr, Ahvaz, Susangerd, and Musian. On the central front, the Iraqis occupied Mehran, advanced towards the foothills of the Zagros Mountains, and were able to block the traditional Tehran–Baghdad invasion route by securing territory forward of Qasr-e Shirin, Iran. On the northern front, the Iraqis attempted to establish a strong defensive position opposite Suleimaniya to protect the Iraqi Kirkuk oil complex. Iraqi hopes of an uprising by the ethnic Arabs of Khuzestan failed to materialize, as most of the ethnic Arabs remained loyal to Iran. The Iraqi troops advancing into Iran in 1980 were described by Patrick Brogan as "badly led and lacking in offensive spirit". The first known chemical weapons attack by Iraq on Iran probably took place during the fighting around Susangerd. Though the Iraqi air invasion surprised the Iranians, the Iranian air force retaliated with an attack against Iraqi military bases and infrastructure in Operation Kaman 99 (Bow 99). Groups of F-4 Phantom and F-5 Tiger fighter jets attacked targets throughout Iraq, such as oil facilities, dams, petrochemical plants, and oil refineries, and included Mosul Airbase, Baghdad, and the Kirkuk oil refinery. Iraq was taken by surprise at the strength of the retaliation, as Iran took few losses while the Iraqis took heavy defeats and economic disruptions. The Iranian force of AH-1 Cobra helicopter gunships began attacks on the advancing Iraqi divisions, along with F-4 Phantoms armed with Maverick missiles; they destroyed numerous armored vehicles and impeded the Iraqi advance, though not completely halting it. Iran had discovered that a group of two or three low-flying F-4 Phantoms could hit targets almost anywhere in Iraq. Meanwhile, Iraqi air attacks on Iran were repulsed by Iran's F-14 Tomcat interceptor fighter jets, using Phoenix missiles, which downed a dozen of Iraq's Soviet-built fighters in the first two days of battle. The Iranian regular military, police forces, volunteer Basij, and Revolutionary Guards all conducted their operations separately; thus, the Iraqi invading forces did not face coordinated resistance. However, on 24 September, the Iranian Navy attacked Basra, Iraq, destroying two oil terminals near the Iraqi port Faw, which reduced Iraq's ability to export oil. The Iranian ground forces (primarily consisting of the Revolutionary Guard) retreated to the cities, where they set up defenses against the invaders. On 30 September, Iran's air force launched Operation Scorch Sword, striking and badly damaging the Osirak nuclear reactor near Baghdad. By 1 October, Baghdad had been subjected to eight air attacks. In response, Iraq launched aerial strikes against Iranian targets. ********** 30 April - 24 May, 1982 (Persian calendar 1361/2/10 to 1361/3/3) Khuzestan Province (استان خوزستان) http://en.wikipedia.org/wiki/Khuzestan_province Khorram-shahr port city (خرمشهر) http://en.wikipedia.org/wiki/Khorramshahr The operation was a success, in as so far as it achieved its standing aim of evicting Iraqi troops from the Iranian city of Khorramshahr (Persian means 'Green and merry' city خرمشهر). This operation, coupled with Operation Jerusalem Way, and Operation Undeniable Victory, succeeded in evicting Iraqi troops from southern Iran.

• published: 23 Sep 2014
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