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BATTLE // March 22, 1982

Operation Undeniable Victory

Overview

Operation Fath-ol-Mobin was a major Iranian military operation conducted during the Iran–Iraq War, in March 1982 and resulted to the Battle of Shush. The operation was led by Lt. General Ali Sayad Shirazi and was conducted in four phases.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

Operation Undeniable Victory (Fath-ol-Mobin) was a major Iranian military operation during the Iran–Iraq War, conducted in March 1982 and resulting in the Battle of Shush. Led by Lt. General Ali Sayad Shirazi, the operation was carried out in four phases and engaged Iraqi forces numbering between 80,000 and 160,000 troops against an Iranian force of 80,000 to 100,000. Iraqi casualties reached approximately 8,000 against roughly 4,000 Iranian losses, suggesting Iran retained an operational advantage in the engagement. The operation represented a significant Iranian effort to reverse Iraqi gains from the 1980 invasion and formed part of the broader Iranian counteroffensive push in early 1982.

Forces & casualties

Troop strength

  • Iraq80,000–160,000
    medium
  • Iran80,000–100,000
    medium

Iraq fielded a 1.3 : 1 numerical advantage

Casualties

  • Iraq8,000
    medium7% loss rate
  • Iran4,000
    medium4% loss rate

Commanders (6)

Iran

Iraq

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6 sibling battles · 5 factions

Last verified June 2026
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