On 5 January 1981, Iran had reorganised its forces enough to launch a large-scale offensive, Operation Nasr (Victory). The Iranians launched their major armoured offensive from Dezful in the direction of Susangerd, consisting of tank brigades from the 16th Qazvin, 77th Khorasan, and 92nd Khuzestan Armoured Divisions, and broke through Iraqi lines. However, the Iranian tanks had raced through Iraqi lines with their flanks unprotected and with no infantry support; as a result, they were cut off by Iraqi tanks.
On 5 January 1981, Iran had reorganised its forces enough to launch a large-scale offensive Operation Nasr (Victory). The Iranians launched their major armoured offensive from Dezful in the direction of Susangerd, consisting of tank brigades from the 16th Qazvin, 77th Khorasan, and 92nd Khuzestan Armoured Divisions, and broke through Iraqi lines However, the Iranian tanks had raced through Iraqi lines with their flanks unprotected and with no infantry support; as a result, they were cut off by Iraqi tanks.