Iran Deploys Qassem Basir Missile in Strike on US Carrier 500 km Away

Iran launched strikes this week using a newly deployed solid-fuel Qassem Basir missile against the US aircraft carrier USS George Washington and a guided-missile destroyer near the Strait of Hormuz at a range of 500 km, while also hitting US aircraft at a base in Jordan and an unmanned vessel in the strait.

Iran's Shift from Passive to Active Deterrence

Iran describes the deployment of the Qassem Basir as a shift from passive to active deterrence, allowing preemptive action before threats materialize. [1] The solid-fuel missile enables Iran to act before any threat is realized, according to Iranian statements. [1] Observers note that this marks the first reported use of the upgraded missile, which offers improved ability to evade air defense systems compared with other Iranian weapons. [1] Washington confirmed the strikes on the USS George Washington and the guided-missile destroyer but stated it remains unclear whether the new missile type was employed. [1]

Iranian Missile Strike on US Naval Forces

Iran deployed the Qassem Basir in strikes targeting US naval forces near the Strait of Hormuz at a distance of 500 km. [1] The missile struck at the USS George Washington and an accompanying guided-missile destroyer. [1] US officials confirmed that the carrier and destroyer evaded the attack. [1] Iranian statements indicate the country is moving beyond a primarily reactive posture and is increasingly prepared to launch preemptive strikes. [1] This approach reflects Tehran’s transition from what it calls passive deterrence to active deterrence. [1]

Iranian Qassem Basir missile deployed in strike on US naval forces near Strait of Hormuz. — Source: france24

Damage to US Aircraft in Jordan

Iranian strikes damaged multiple American military aircraft at the Muwaffaq Salti Air Base in Jordan. [3] One A-10 Thunderbolt II sustained a missing wing, while roughly eight F-15s received light damage and were returned to service. [3] The attack occurred after US forces destroyed five Iranian crude oil carriers. [3] Prior losses in the conflict include 42 US aircraft already lost or damaged, along with 18 US service members killed and over 800 injured since February. [3] A US official speaking on condition of anonymity confirmed the material damage to the aircraft at the base. [3]

IRGC Action Against US Unmanned Vessel

The IRGC separately claimed its navy attacked a US unmanned vessel in the Strait of Hormuz. [5] The action disrupted what the IRGC described as an offensive mission in one of the world’s most strategically important waterways. [5] The claim was carried in a statement by Iranian state media, including Tasnim News Agency. [5] This operation occurred independently of the missile strikes on naval vessels and the Jordan base. [5]

Vessels sail in the Strait of Hormuz near Bandar Abbas, Iran. — Source: gdelt

Impact on Shipping and Hormuz Corridor

Iran is preparing an unconfirmed agreement with Oman for a new shipping corridor through the strait into the Persian Gulf. [1] Shipping data shows cargo volumes through Hormuz at their lowest since May amid Iranian warnings of further maritime restrictions. [1] Tehran has warned of broader restrictions on maritime activity in response to continued US economic pressure. [1] The reduced volumes reflect companies’ hesitation as insurance costs rise and energy flows face potential disruption. [1]

Broader Conflict Dynamics

The six-month conflict has entered a cycle of escalation, diplomacy and renewed pressure. [1] Iran has concluded that sustained firmness improves its negotiating position despite US military superiority. [1] US military gains have not produced the intended concessions on Iran’s nuclear program or regional allies. [1] Iran continues to hold leverage through its position at the Strait of Hormuz, raising the cost of US pressure without matching American firepower. [1] The conflict now resembles a test of endurance, with both sides seeking an exit that preserves their core objectives. [1]

What to watch next: Further Iranian warnings of maritime restrictions, unconfirmed talks with Oman on a new Hormuz corridor, and whether the cycle of escalation and diplomacy produces any movement on nuclear or regional issues.