American Forces Launch Longest Field Artillery Strike in Army Combat History Against Iran
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American Forces Launch Longest Field Artillery Strike in Army Combat History Against Iran

18 March, 2026.Iran.2 sources

Key Takeaways

  • Iran fired two intermediate-range ballistic missiles toward Diego Garcia, expanding the conflict.
  • United States conducted longest field artillery strike in Army history against Iran with precision missiles.
  • Both articles describe a missile-centered escalation in the US–Iran confrontation.

Historic Artillery Campaign

U.S. forces executed unprecedented military operations against Iran, launching what U.S. Central Command Commander Adm. Brad Cooper described as 'the longest field artillery strike in Army combat history using precision strike missiles.'

(DEFENCE SECURITY ASIA) — Iran’s launch of two intermediate-range ballistic missiles toward Diego Garcia represents a strategic escalation that expands the operational battlespace of the ongoing U

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This massive military effort targeted Iranian military infrastructure, demonstrating what Cooper called 'the U.S. Military's unmatched reach and lethality.'

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The operation represents a significant escalation in regional tensions, with American forces striking over 8,000 military targets including 130 Iranian vessels.

Officials called this 'the largest elimination of a Navy over a three-week period since World War II.'

Cooper emphasized that the campaign aims to 'eliminate Iran's ability to project meaningful power outside its borders' as part of Operation Epic Fury, now in its 22nd day.

Regional Defense Response

The regional military response to U.S. operations has been swift and multifaceted, with multiple countries reporting defensive actions against Iranian missile threats.

The United Kingdom strongly condemned 'Iran's reckless attacks' after Tehran fired two intermediate-range ballistic missiles toward Diego Garcia, a key U.S.-U.K. military base in the Indian Ocean.

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The UK Ministry of Defence stated that 'Iran's reckless attacks, lashing out across the region and holding hostage the Strait of Hormuz, are a threat to British interests and British allies.'

Meanwhile, the United Arab Emirates reported engaging '3 ballistic missiles and 8 UAVs launched from Iran,' bringing their total defensive engagements since the conflict began to 341 ballistic missiles, 15 cruise missiles and 1,748 UAVs.

These coordinated defensive responses highlight the broader regional coalition forming against Iranian military actions.

Strategic Reach Expansion

The strategic implications of the conflict extend beyond immediate military objectives, with Iran demonstrating an expanded reach that challenges previous assumptions about regional warfare capabilities.

(DEFENCE SECURITY ASIA) — Iran’s launch of two intermediate-range ballistic missiles toward Diego Garcia represents a strategic escalation that expands the operational battlespace of the ongoing U

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The attempted strike on Diego Garcia represents 'the first known effort by Iran to use intermediate-range ballistic missiles at such distance in an operational context,' according to strategic analysis.

This launch 'signalling a willingness to expand the conflict beyond traditional regional boundaries' and forces planners to 'reconsider assumptions about safe rear-area locations.'

The incident underscores how 'missile capability is being used as a strategic communication tool rather than solely as a battlefield weapon,' with Iran having previously warned that Diego Garcia could become a target if the base were used against Iranian forces.

The psychological impact of expanding the perceived threat envelope can influence political decision-making even without physical damage.

Israeli-US Coordination

Israel has significantly intensified its military coordination with U.S. forces, with Defense Minister Israel Katz declaring that his country's military is 'determined to continue leading the offensive against the Iranian terror regime.'

Katz vowed that 'the intensity of the strikes to be carried out by the IDF and the U.S. military against the Iranian terror regime and the infrastructure it relies on will increase significantly.'

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The Israeli defense minister specifically accused 'The Islamic Revolutionary Guard Corps terrorist organization currently controls Iran and leads terrorist activity and missile fire against the Israeli home front and countries in the region, as well as repression against Iran's own population.'

In addition to coordinated air operations, Israeli forces conducted a 'targeted ground operation' in southern Lebanon, killing multiple Hezbollah terrorists.

The IDF reported that the Hezbollah fighters 'targeted an Israeli Air Force aircraft that attacked several other terrorists who were firing at the forces.'

Iranian Military Setbacks

Iran has experienced significant military setbacks and infrastructure damage in the ongoing conflict, with U.S. forces specifically targeting critical capabilities.

(DEFENCE SECURITY ASIA) — Iran’s launch of two intermediate-range ballistic missiles toward Diego Garcia represents a strategic escalation that expands the operational battlespace of the ongoing U

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American forces dropped 'multiple 5,000-pound bombs on an underground facility located along Iran's coastline' that was used to store anti-ship cruise missiles and mobile missile launchers.

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U.S. Central Command Commander Adm. Brad Cooper stated that 'We not only took out the facility, but also destroyed intelligence support sites and missile radar relays that were used to monitor ship movements.'

Iran also confirmed that its main nuclear enrichment facility at Natanz was hit by an airstrike, with satellite images revealing damage at multiple buildings there.

Iranian state media claimed the strike did not result in any radiation leakage, though the facility had been hit in the first week of the war.

Cooper reported that 'Iran has lost significant combat capability over the last three weeks,' with U.S. forces 'taking out thousands of Iranian missiles, advanced attack drones, and all of Iran's Navy, which they use to harass international shipping.'

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