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Operation Earnest Will

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Title: Operation Earnest Will  
Author: World Heritage Encyclopedia
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Subject: Iran–Iraq War, Operation Praying Mantis, United States Special Operations Command, 160th Special Operations Aviation Regiment (Airborne), William C. Rogers III
Collection: 20Th-Century Military History of the United States, Battles and Conflicts Without Fatalities, Conflicts in 1987, Conflicts in 1988, History of the United States (1980–91), Iran–kuwait Relations, Iran–united States Relations, Kuwait–united States Relations, Military Operations Involving the United States, Military Operations of the Iran–iraq War, Operations Involving American Special Forces, United States Marine Corps in the 20Th Century
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Operation Earnest Will

Operation Earnest Will
Part of the Iran–Iraq War
Date 24 July 1987 – 26 September 1988
Location Persian Gulf
United States Iran
1 aircraft carrier
1 amphibious transport dock
4 destroyers
1 guided missile cruiser
3 frigates
4 frigates
4 corvettes
Several minelayers
Several missile craft

Operation Earnest Will (24 July 1987 – 26 September 1988) was the American military protection of Kuwaiti-owned tankers from Iranian attacks in 1987 and 1988, three years into the Tanker War phase of the Iran–Iraq War.[1] It was the largest naval convoy operation since World War II.

The U.S. Navy warships that escorted the tankers, part of U.S. Naval Forces Central Command, were the operations' most visible part, but U.S. Air Force AWACS radar planes provided surveillance and U.S. Army special operations helicopters hunted for possible attackers.

Other U.S. Navy vessels participated in Operation Earnest Will. They were then under the command of the U.S. Navy's Seventh Fleet which had primary responsibility for combat operations in the Persian Gulf region. The numerous ships used in Operation Earnest Will mostly consisted of Battleship Battle Groups, Carrier Battle Groups, Surface Action Groups and ships from the Pacific's Third and Seventh Fleets and the Mediterranean-based Sixth Fleet. They generally operated in and near the Gulf for parts of their normal six-month deployments.

This was USSOCOM's first tactical operation involving Navy SEALs, Special Boat Units, and 160th Special Operations Aviation Regiment (Airborne) ("Nightstalkers") aviators working together.


The so-called "Tanker War" phase of the Iran-Iraq War started when Iraq, which had expanded its air force with new, Exocet-equipped French and Soviet aircraft, attacked the oil terminal and oil tankers at Iran's Kharg Island in early 1984.[2] Saddam's aim in attacking Iranian shipping was, among other things, to provoke the Iranians to retaliate with extreme measures, such as closing the Strait of Hormuz to all maritime traffic, thereby bringing American intervention.[2] Iran limited the retaliatory attacks to Iraqi shipping, leaving the strait open.[2]

Becoming landlocked after the Battle of al-Faw and due to the blockade of Iraqi oil pipelines to Mediterranean Sea by Iran's ally Syria, Iraq had to rely on its ally, Kuwait (and other Gulf Arab allies to a lesser extent) to transport its oil. After increasing attacks on Iran's main oil export facility in Kharg Island by Iraq, Iran started to attack Kuwaiti tankers carrying Iraqi oil from 13 May 1984 (and later attacking tankers from any Gulf state supporting Iraq). Attacks on ships of non-combatant nations in the Persian Gulf sharply increased thereafter, with both nations attacking oil tankers and merchant ships of neutral nations in an effort to deprive their opponent of trade.[2]

Beside concerns about the intensified Tanker War, the superpowers feared that the possible fall of Basra, which was now under threat, might lead to a pro-Iranian Islamic republic in largely Shia-populated southern Iraq. During the first four months of 1987, Kuwait turned to the superpowers, partly to protect oil exports but largely to seek an end to the war through superpower intervention.[3] In December 1986, Kuwait's government asked the Reagan administration to send the U.S. Navy to protect Kuwaiti tankers against Iranian attacks.[4] U.S. law forbade the use of navy ships to escort civilian vessels under a foreign flag, so the Kuwaiti ships were re-registered under the U.S. flag. Even before Earnest Will formally began, it became clear how dangerous Persian Gulf operations would be. On 17 May 1987, an Iraqi F-1 Mirage fired two Exocet missiles at the guided missile frigate USS Stark, killing 37 sailors and injuring 21. Iraqi officials said the targeting of the U.S. warship was accidental.[1][5][6][7]

There was oppositions in both the House and the Senate regarding the reflagging policy.[8]


Earnest Will Begins: Bridgeton incident

The US Navy initiated Operation Earnest Will at 2:00 a.m. (EST) on 23 July 1987.[9] The USS Crommelin, USS Fox, and USS Kidd were the first U.S. Navy ships assigned to escort the Kuwaiti oil tankers.[10]

The Bridgeton's convoy route and the place it was hit

On the very first escort mission, on 24 July 1987, the Kuwaiti oil tanker al-Rekkah, re-flagged as the U.S. tanker MV Bridgeton, struck an Iranian underwater mine some 20 miles west of Farsi Island, supposedly planted in the night before by Pasdaran units in the island, damaging the ship, but causing no injuries. The Bridgeton proceeded under her own power to Kuwait, with the thin-skinned U.S. Navy escorts following behind to avoid mines.[1]

The operation was a widely publicized one, and American reporters abroad another ship in the convoy immediately issued reports about the incident, which ultimately "played into Iran's plan". Iran's Prime Minister Mir Hossein Mousavi called it an "irreparable blow to America's political and military prestige",[9] and said that it was the "invisible hands [of God]" that hit the US-flagged ship, and expressed hope that US Congress would put an immediate end to the Administration's plan. The US Congress was critical of the re-flagging policy, but still didn't have a united position on the issue.[11]

It was an unforeseen development. The commander of the task force admitted that in spite of intelligence warnings, no one had thought it necessary to check the route for naval mines,[12] and it was soon brought out that did US not only have any minesweepers in the Persian Gulf, it did not have any easily accessible minesweepers at all, so the escort operation was placed on hold until minesweepers would be available.[8] Pentagon deployed eight minesweeping Sea Stallion helicopters, five oceangoing minesweepers, and six small coastal minesweepers—dramatically increasing US presence in the Persian Gulf, and increasing the probability of Iran–US confrontation. Secretary Weinberger indirectly threatened Iran to retaliate.[9]

In the following 14 months, many U.S. warships took up escort duties, at one point over 30 warships were in the region supporting the operation.[13]

Operation Prime Chance

MH-60 landing on Hercules

Earnest Will overlapped with Operation Prime Chance, a largely secret effort to stop Iranian forces from attacking Persian Gulf shipping.

Despite the protection offered by U.S. Navy vessels, Iran used mines and small boats to harass the convoys steaming to and from Kuwait, at the time a principal ally of Iraq. In late July 1987, Rear Admiral Harold J. Bernsen, commander of the Middle East Force, requested Naval Special Warfare assets. Special Boat Teams deployed with six Mark III Patrol Boats and two Navy SEAL platoons in August.[14] The Middle East Force decided to convert two oil service barges, Hercules and Wimbrown VII, into mobile sea bases. These were moored in the northern Persian Gulf, allowing special operations forces to thwart clandestine Iranian mining and small boat attacks. On 21 September, Nightstalkers flying MH-6 and AH-6 "Little Birds" took off from the frigate USS Jarrett to track an Iranian ship, the Iran Ajr. The Nightstalkers watched the Iran Ajr turn off its lights and begin laying mines. After receiving permission to attack, the helicopters fired guns and rockets, stopping the ship. The Iran Ajr’s crew continued to push mines over the side, and the aircraft resumed firing until the crew abandoned ship. At first light, a SEAL team, assisted by Special Boat Teams, boarded the vessel and discovered nine mines on the vessel’s deck, as well as a logbook revealing areas where previous mines had been laid. The USS Hawes towed the mine layer (a converted tank landing craft) to the Iranian, Iraqi war zone. EOD technicians from EOD Mobile Unit 5 scuttled the vessel the following day. The logbook implicated Iran in mining international waters.[14] Within a few days, the special operations forces had determined the Iranian pattern of activity: hide during the day near oil and gas platforms in Iranian waters and at night, head toward the Middle Shoals Buoy, a navigation aid for tankers. With this knowledge, the special operations forces launched three Little Bird aircraft and two patrol craft to the buoy. The aircraft arrived first and were fired upon by three Iranian boats anchored near the buoy. In a short but intense firefight, the aircraft sank all three boats.

Lessons from Earnest Will later led USSOCOM to acquire the patrol coastal ships and the Mark V Special Operations Craft.[14]

Operation Nimble Archer

One of two Iranian oil platforms set ablaze after shelling by American destroyers.

On 15 October, the reflagged U.S. tanker Sea Isle City was struck by an Iranian Silkworm missile while at anchor near the oil terminal outside Kuwait City. 17 crewmen and the American captain were injured in the attack.[1][14] On 18 October, the U.S. Navy responded with Operation Nimble Archer. Four destroyers shelled two oil platforms in the Rostam oil field. After the shelling, USS Thach (FFG-43) landed a SEAL platoon and a demolition unit that planted explosives on one of the platforms to destroy it. The SEALs next boarded and searched a third platform two miles away. Documents and radios were taken for intelligence.

Operation Praying Mantis

On 14 April 1988, 65 miles east of Bahrain, the frigate USS Samuel B. Roberts hit a mine, blowing an immense hole in its hull.[15] 10 sailors were injured. The U.S. retaliated fiercely. On 18 April, U.S. forces launched Operation Praying Mantis, attacking the Iranian frigates Sabalan and Sahand and oil platforms in the Sirri and Sassan oil fields.[1][15] After U.S. warships bombarded the Sirri platform and set it ablaze, a UH-60 with a SEAL platoon flew toward the platform but was unable to get close enough because of the roaring fire. Secondary explosions soon wrecked the platform.[14]


Thereafter, Iranian attacks on neutral ships dropped drastically. On 3 July 1988, USS Vincennes shot down Iran Air Flight 655 over the Strait of Hormuz after mistaking it for an Iranian F-14. All 290 passengers and aircrew aboard the Airbus A300B2 died, including 66 children.

The two side effects of Earnest Will – Praying Mantis and the airliner's downing – helped convince Iran to agree to a ceasefire on 18 July and a permanent end to hostilities on 20 August 1988, ending its eight-year war with Iraq. On 26 September 1988, USS Vandegrift escorted the operation's last tanker to Kuwait. The remaining SEALs, patrol boats, and helicopters then returned to the U.S.[14]


  1. ^ a b c d e Stephen Andrew Kelley (June 2007). "Better Lucky Than Good: Operation Earnest Will as Gunboat Diplomacy" (PDF).  
  2. ^ a b c d Karsh, Efraim (25 April 2002). The Iran–Iraq War: 1980–1988. Osprey Publishing. pp. 1–8, 12–16, 19–82.  
  3. ^
  4. ^ “Kuwaiti Call for Help Led to U.S. Role in Gulf,” Los Angeles Times, 4 July 1988.
  5. ^
  6. ^ Desert Storm at sea: what the Navy really did by Marvin Pokrant, P 43.
  7. ^ Formal Investigation into the Circumstances Surrounding the Attack of the USS Stark in 1987
  8. ^ a b Pelletiere, Stephen C. (1992). The Iran-Iraq War: Chaos in a Vacuum. New York: Praeger. pp. 125–130.  
  9. ^ a b c Gibson, Bryan R. (2010). Covert Relationship: American Foreign Policy, Intelligence, and the Iran-Iraq War, 1980-1988. Santa Barbara, Calif.: Praeger. p. 202.  
  10. ^ "Mine Blast Turns A Calm Gulf Cruise Chaotic". Chicago Tribune. 25 July 1987. 
  11. ^ Tarock, Adam (1998). The Superpowers' Involvement in the Iran-Iraq War. Commack, NY: Nova Science Publishers. pp. 136–147.  
  12. ^ Murray, Williamson; Woods, Kevin (2014). The Iran-Iraq War: A Military and Strategic History. Cambridge University Press. p. 306.  
  13. ^ Pyle, Richard (October 26, 1988). "Navy learns many lessons in gulf battle". Lakeland Ledger. Associated Press. 
  14. ^ a b c d e f
  15. ^ a b Peniston, Bradley (July 2006). No Higher Honor: Saving the USS Samuel B. Roberts in the Persian Gulf. United States Naval Institute Press.  

Further reading

  • Huchthausen, Peter (2004). America's Splendid Little Wars: A Short History of U.S. Engagements from the Fall of Saigon to Baghdad. New York: Penguin.  
  • Levinson, Jeffrey L.; Edwards, Randy L. (1997). Missile Inbound. Annapolis: Naval Institute Press. attack) Stark (about the  
  • Palmer, Michael (2003). On Course to Desert Storm. University Press of the Pacific. (U.S. Navy operations in the Gulf)  
  • Peniston, Bradley (2006). No Higher Honor: Saving the USS Samuel B. Roberts in the Persian Gulf. Annapolis: Naval Institute Press. (Detailed look at guided missile frigate's operations and mine attack)  
  • Sweetman, Jack (1998). Great American Naval Battles. Annapolis: Naval Institute Press. (Account of Operation Praying Mantis)  
  • Symonds, Craig L. (2005). Decision at Sea: Five Naval Battles that Shaped American History. USA: Oxford University Press. (Puts Operation Praying Mantis in broader historical context)  
  • Wise, Harold Lee (2007). Inside the Danger Zone: The U.S. Military in the Persian Gulf 1987–88. Annapolis: Naval Institute Press.  

External links

  • Photos from Operation Earnest Will and Prime Chance March to October, 1988
  • Operation Earnest Will on
  • Photos of Operation Earnest Will
  • Attack Squadron 95
  • Photo Gallery of Operation Earnest Will

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