Operation Praying Mantis

Operation Praying Mantis
Red Baron · Public domain · source
Conflict	Iran–Iraq War
Date	18 April 1988
Place	Persian Gulf (near Strait of Hormuz, Iran)
Result	US tactical victory; damage to Islamic Republic of Iran Navy infrastructure and Iranian Revolutionary Guard Corps assets
Combatant1	United States (United States Navy)
Combatant2	Iran (Islamic Republic of Iran Navy, Islamic Revolutionary Guard Corps)
Commander1	William J. Crowe Jr.; Bobby R. Inman
Commander2	Mohammad Mohammadi Gilani; Mohammad Jahanara
Strength1	Surface ships, A-6 Intruder, F/A-18 Hornet aircraft, HMS Brave Borderer support elements
Strength2	Frigates, fast attack craft, MIG-23, coastal batteries

Operation Praying Mantis was a one-day naval engagement fought on 18 April 1988 between the United States Navy and forces of the Islamic Republic of Iran during the closing stages of the Iran–Iraq War. It was launched in retaliation for the mining of the USS Samuel B. Roberts (FFG-58) and marked the largest surface naval action for the United States since the Second World War. The action involved coordinated strikes by surface combatants and carrier-based aircraft and produced significant damage to Iranian naval and Islamic Revolutionary Guard Corps installations.

Background

Tension in the Persian Gulf escalated amid the Tanker War phase of the Iran–Iraq War, with notable incidents such as attacks on MV Sea Isle City and MV Gulf Livestock 1 contributing to international concern. The United States Sixth Fleet and United States Central Command increased escorts for reflagged merchant shipping under operations like Operation Earnest Will, while incidents involving USS Stark (FFG-31) and USS Vincennes (CG-49) heightened regional attention. Iranian use of mines and anti-ship missiles threatened navigation through the Strait of Hormuz, prompting policy responses from administrations including that of Ronald Reagan.

Prelude and planning

Following the mining of USS Samuel B. Roberts (FFG-58) on 14 April 1988, Admiral William J. Crowe Jr. and CENTCOM leadership authorized retaliatory action to degrade Iranian mining capability, targeting facilities associated with the Islamic Revolutionary Guard Corps Navy and the Islamic Republic of Iran Navy. Planning involved coordination among the United States Sixth Fleet, carrier battle groups centered on USS Enterprise (CVN-65), surface action groups including USS Samuel B. Roberts (FFG-58), and embarked aircraft such as A-6 Intruder and F/A-18 Hornet. Legal counsel from the United States Department of Defense and diplomatic clearance from the Department of State framed the operation within rules of engagement influenced by precedents like the Gulf of Sidra incident.

The engagement (18 April 1988)

On 18 April 1988, coordinated strikes commenced against Iranian offshore oil platforms and naval vessels identified as threat nodes tied to mining operations. Carrier-based aircraft from USS Enterprise (CVN-65) and surface warships executed strikes on platforms including Sirri and others used for command and control by Islamic Revolutionary Guard Corps units. Surface engagements included the sinking of the Iranian frigate IRIS Sahand and heavy damage to IRIS Sabalan, with exchanges involving anti-ship missiles and naval gunfire reminiscent of actions in the Battle of Tanker War. Fast attack craft and Boghdad-class assets were engaged by cruise missiles and naval gunfire from Oliver Hazard Perry-class frigates and destroyers.

Forces and equipment

United States forces combined carrier aviation from Carrier Air Wing, surface combatants including USS Joseph Strauss (DDG-16), USS Joseph Hewes (FF-1078), guided-missile destroyers and frigates, and airborne assets such as P-3 Orion maritime patrol aircraft. Iranian forces deployed assets from the Islamic Republic of Iran Navy including Sahand-class and Sajjad-class vessels, Kaman-class fast attack craft, and coastal anti-ship missile batteries supplemented by Islamic Revolutionary Guard Corps Navy small craft and platforms adapted from the Iranian oil industry.

Casualties and damage

US forces suffered minimal casualties and no ship losses, though several US aircraft operated in the battlespace, including hits and engagements involving A-6 Intruder crews. Iranian losses included the sinking of IRIS Sahand, severe damage to IRIS Sabalan, multiple destroyed fast patrol boats, and substantial damage to offshore platforms used as military outposts, with scores of Iranian military personnel killed or wounded. Material damage extended to naval bases and repair facilities supporting Iranian mine warfare, degrading minelaying capability.

Aftermath and consequences

The operation significantly reduced Iran's ability to conduct organized minelaying and surface attacks in the Persian Gulf for the remainder of the Iran–Iraq War, influencing maritime security and convoy operations under Operation Earnest Will. The engagement demonstrated US resolve to protect freedom of navigation through chokepoints like the Strait of Hormuz and informed subsequent maritime interdiction tactics, contributing to doctrine updates within the United States Navy and influencing careers of officers present during the operation, later referenced in analyses by institutions such as the Naval War College.

Legal and political implications

Politically, the strike elicited responses from international actors including United Kingdom, France, and regional states monitoring Gulf Cooperation Council security, while legal debates invoked principles from the United Nations Charter and customary international law concerning the use of force and naval interdiction. US policymakers weighed the operation against diplomatic efforts involving representatives from the United Nations and allies, and the action influenced later negotiations culminating in post-war arrangements and arms control discussions in forums related to maritime law and confidence-building measures in the Persian Gulf.

Category:1988 in Iran Category:United States Navy operations Category:Iran–Iraq War