US Navy Replaces USS Gerald R. Ford With USS George H.W. Bush After Aircraft Carrier Fire Near Iran.

The U.S. Navy replaces the aircraft carrier USS Gerald R. Ford with USS George H.W. Bush after a major onboard fire forced Ford out of operations near Iran.

The move keeps U.S. strike power over the Strait of Hormuz intact, where Iranian drones continue to threaten maritime traffic. By deploying a combat-ready carrier strike group, the Navy reinforces deterrence, protects critical shipping lanes, and sustains high-tempo air operations at a key global chokepoint.

Read also: USS Gerald R. Ford arrives in Greece after fire reduces US Navy strike capacity against Iran

The USS George H.W. Bush is a Nimitz-class aircraft carrier commissioned in 2009, with a displacement of approximately 102,000 tons, a length of 333 meters, and a propulsion system based on two nuclear reactors generating sufficient power for speeds exceeding 30 knots. (Picture source: US Navy)

On March 27, 2026, CBS News reported that the USS George H.W. Bush carrier strike group is preparing for deployment to the U.S Central Command area of responsibility, with U.S officials indicating that the carrier could join ongoing combat operations against Iran once in theater, following a major onboard fire affecting another unit, the USS Gerald R. Ford. The deployment is directly linked to the need to sustain air operations that have required continuous sortie generation since late February 2026, with more than 7,000 strike missions conducted in support of operations targeting Iranian infrastructure and associated forces. At the same time, maritime tensions remain active in the Strait of Hormuz and surrounding waters, with repeated incidents involving drones and attempted vessel interdictions.

The deployment occurs as the U.S maintains a large regional presence and continues parallel diplomatic engagement without reducing operational tempo. The Bush Carrier Strike Group completed its Composite Training Unit Exercise on March 5, 2026, a certification process involving integrated air, surface, subsurface, and cyber warfare scenarios designed to validate readiness for high-intensity combat operations. This certification confirms the strike group’s ability to operate as a cohesive combat formation before deployment, meaning that the USS George H.W. Bush could now reach the eastern Mediterranean within 10 to 12 days once underway, based on standard transit timelines from the U.S East Coast.

The CSG also includes the Arleigh Burke-class destroyers USS Ross, USS Donald Cook, and USS Mason, which departed from Norfolk, Virginia, and Florida during the same week to assemble for deployment. These vessels are equipped with Aegis combat systems and vertical launch systems capable of deploying Tomahawk cruise missiles and Standard Missile interceptors, providing both strike and missile defense capabilities. Transit to the Middle East requires crossing the Atlantic Ocean, entering the Mediterranean, and transiting the Suez Canal, which creates a temporary gap between the withdrawal of the Ford and the arrival of the Bush strike group.

The U.S. aircraft carrier presence near Iran significantly changed after the USS Gerald R. Ford was forced to withdraw from the Middle East following a fire onboard on March 12, 2026, leaving only the USS Abraham Lincoln operating in the region. The Ford had been deployed since June 24, 2025, and had accumulated roughly nine to ten months at sea, exceeding the standard six-month deployment cycle and increasing cumulative strain on onboard systems. During this period, the ship operated across multiple theaters, including the Atlantic, the Caribbean, and the Middle East, before entering the Red Sea in early March 2026, without a full maintenance interval.

The fire originated in a laundry system and spread through ventilation ducts, lasted more than 30 hours, and resulted in over 200 personnel being treated for smoke inhalation and more than 100 sleeping spaces being destroyed. Despite remaining operational, the carrier redeployed to Souda Bay, Crete, for repairs, removing more than 75 aircraft from immediate availability. The USS Abraham Lincoln now remains the only active carrier operating against Iran pending reinforcement. The USS George H.W. Bush is a Nimitz-class nuclear-powered aircraft carrier displacing more than 100,000 tons, placing it among the largest warships in active service.

It is powered by two nuclear reactors that allow operations for more than 20 years without refueling, as well as speeds exceeding 30 knots, or more than 56 km/h, enabling rapid repositioning between operational theaters. It carries a total complement of more than 5,000 personnel, including the air wing, and can operate up to 90 aircraft depending on configuration. Design improvements compared to earlier Nimitz-class carriers include modifications such as a repositioned island and updated deck systems to improve aircraft handling efficiency and reduce radar signature.

These characteristics enable the carrier to function as a mobile airbase capable of sustaining continuous operations without reliance on regional infrastructure. This capability is critical in contested environments where basing access may be limited. The embarked air wing includes F/A-18E/F Super Hornets, EA-18G Growlers, E-2D Advanced Hawkeyes, and MH-60 helicopters, covering strike, electronic warfare, airborne early warning, and anti-submarine missions. These aircraft enable precision strike operations, surveillance, and defensive counter-air missions within a single formation. The carrier also operates within a strike group that includes guided missile destroyers equipped with vertical launch systems capable of firing Tomahawk cruise missiles and Standard Missile interceptors.

In sustained operations, a carrier air wing can generate dozens of sorties per day, depending on maintenance cycles and operational tempo. Continuous sortie generation places significant demand on onboard systems, including catapults and arresting gear, increasing wear over time. The strike group, therefore, functions as a self-contained force capable of independent operations or integration into larger joint frameworks. The broader operational environment includes a significant U.S military presence across the Middle East, with more than 30,000 personnel stationed in countries including Bahrain, Qatar, Saudi Arabia, Kuwait, and the United Arab Emirates. Additional naval forces include destroyers operating in the Strait of Hormuz, the Red Sea, and the Mediterranean, as well as littoral combat ships in the Persian Gulf.

Submarines are also present in the region, although their identities are not publicly disclosed. Land-based airpower includes F-15E fighters relocated to Jordan and additional F-35 aircraft, supported by Patriot and THAAD missile defense systems deployed to counter ballistic missile and drone threats. These forces support ongoing operations against Iran and respond to incidents such as attempted tanker seizures and drone activity near U.S naval units. The Strait of Hormuz remains a critical maritime chokepoint through which a significant portion of global oil supply transits, making its security a central operational concern for the U.S. However, extended deployment cycles have introduced measurable strain on U.S naval forces, as illustrated by the Ford deployment, which combined high sortie rates with reduced maintenance windows and repeated system failures affecting onboard infrastructure.

Continuous operations accelerate wear on launch systems, arresting gear, and aircraft maintenance facilities, increasing the likelihood of mechanical incidents. The onboard fire occurred within this context of sustained operational demand and accumulated system stress. Crew fatigue also increases during deployments exceeding nine months, particularly with limited port access, continuous operational tempo, and temporary sleeping arrangements after the fire damaged berthing areas. These conditions affect both technical readiness and personnel endurance. The need to rotate carriers reflects both mechanical and human limitations. The Bush deployment is intended to redistribute operational load and restore balance across the fleet.

The arrival of the Bush would restore a dual-carrier posture in the Central Command theater, increasing available aircraft numbers and enabling sustained high-tempo operations across multiple mission sets. However, the number of available carriers remains limited relative to global commitments, requiring prioritization across regions. Deployment timelines, maintenance cycles, and cumulative fleet strain constrain the ability to maintain continuous multi-carrier operations. The ongoing campaign has required extensive use of precision-guided munitions and missile defense interceptors, increasing demand on stockpiles and logistics chains. Replenishment depends on industrial capacity and supply chain resilience under sustained operational conditions.

The cost of maintaining carrier strike groups at sea under high tempo contributes to long-term financial pressure. These constraints highlight the gap between operational demand and available naval capacity. For instance, the cost of the U.S. war against Iran is heavily driven by the extremely high consumption of precision munitions, creating a rapid financial and industrial strain that escalates within days of operations. Early estimates show that the conflict reached more than $12.7 billion in just six days, with total spending likely exceeding $18 billion within three weeks, and projections ranging up to $40 billion–$100 billion or even far higher if the war becomes prolonged.

A major portion of this cost comes from missile usage, as weapons like Tomahawk cruise missiles cost between $2 million and $3.6 million per unit, while advanced interceptors such as THAAD can reach $12.8 million each, meaning that large-scale strike and defense operations burn billions in inventory almost immediately. The intensity of consumption is illustrated by reports of more than 850 Tomahawks fired within weeks and over 11,000 total munitions used in the early phase of the war, creating concerns that U.S. stockpiles are being depleted faster than they can be replenished.

This imbalance becomes even more severe when facing Iran’s cheaper systems, as drones costing $20,000–$50,000 can force the use of million-dollar interceptors, producing a cost-exchange ratio heavily unfavorable to the U.S. and turning the conflict into a “war of stockpiles” where economic endurance and industrial output become as critical as battlefield performance. In parallel, sustained naval and air operations, including multiple carrier strike groups and continuous strike sorties, further add to the financial burden, reinforcing that missile consumption is not only a tactical issue but a central driver of overall war cost and long-term sustainability.

Written by Jérôme Brahy

Jérôme Brahy is a defense analyst and documentalist at Army Recognition. He specializes in naval modernization, aviation, drones, armored vehicles, and artillery, with a focus on strategic developments in the United States, China, Ukraine, Russia, Türkiye, and Belgium. His analyses go beyond the facts, providing context, identifying key actors, and explaining why defense news matters on a global scale.