US and Japan to spend $10 Billion on F-15EX and F-35A aircraft initiative.

On July 3, 2024, the US Department of Defense (DoD), in collaboration with the Government of Japan, announced a $10 billion modernization plan to upgrade US air power at multiple military installations in Japan. The plan, set to unfold over the next several years, involves replacing 48 F-15C/D aircraft with 36 F-15EX at Kadena Air Base and 36 F-16 aircraft with 48 F-35A at Misawa Air Base.
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The plan, set to unfold over the next several years, involves replacing 48 F-15C/D aircraft with 36 F-15EX at Kadena Air Base and 36 F-16 aircraft with 48 F-35A at Misawa Air Base. (Picture source: Boeing and US DoD)

Kadena Air Base and Misawa Air Base are essential to US military operations and regional security in the Indo-Pacific. Kadena, located in Okinawa, is the largest US Air Force base in Asia, serving as a major hub for air operations, logistics, and power projection. It hosts various aircraft, including fighters, refuelers, and reconnaissance planes, providing versatile operational capabilities. The base's location allows for rapid deployment and response to regional threats, supporting the defense of Japan and other allies.

Misawa Air Base, in northern Japan, is a joint-use facility hosting both US and Japanese military units. It plays a key role in air defense, surveillance, and reconnaissance operations. The base supports a variety of aircraft, including fighters, early warning, and electronic warfare planes, offering comprehensive air coverage and intelligence capabilities. Misawa's position enables effective monitoring of regional activities and quick mobilization in response to potential conflicts or emergencies.

As part of this modernization effort, the US Air Force will upgrade its aircraft at Kadena Air Base by deploying 36 F-15EX aircraft to replace the existing fleet of 48 F-15C/D aircraft. The F-15EX offers improved avionics, an enhanced electronic warfare suite, and the capacity to carry a greater payload compared to the F-15C/D. These updates provide better situational awareness, survivability, and operational flexibility. Additionally, the F-15EX features an open mission systems architecture, allowing for more efficient and cost-effective upgrades.

As part of this modernization effort, the US Air Force will upgrade its aircraft at Kadena Air Base by deploying 36 F-15EX aircraft to replace the existing fleet of 48 F-15C/D aircraft. (Picture source: Boeing)

The F-15EX also comes with more powerful engines, providing better performance and a greater operational range, which is crucial for missions in the Indo-Pacific region. The advanced radar and sensor systems of the F-15EX enhance tracking and targeting capabilities, enabling the aircraft to engage multiple threats simultaneously. These improvements aim to maintain air superiority and support the strategic objectives of the US-Japan Alliance.

At Misawa Air Base, the US Air Force will upgrade its fleet from 36 F-16 aircraft to 48 F-35A aircraft, increasing both capacity and capability. The F-35A, a fifth-generation fighter, offers stealth capabilities that help evade radar detection. It is equipped with sensor fusion technology that integrates data from various onboard sensors, providing pilots with a comprehensive view of the battlespace. This enhances decision-making and mission effectiveness.

The F-35A's advanced avionics and communications systems enable interoperability with other US and allied forces, facilitating coordinated operations. The aircraft's maneuverability and weaponry make it effective in both air-to-air and air-to-ground missions, offering greater precision and efficiency than the F-16. These capabilities are intended to improve the US military's operational flexibility and combat readiness in the region.

The US Marine Corps will also see changes at Marine Corps Air Station (MCAS) Iwakuni. The number of F-35B aircraft will be adjusted to align with the Service's force design modernization plans. Despite these modifications, the US Marine Corps will continue to maintain a rotational aircraft presence at MCAS Iwakuni, ensuring that the necessary capabilities are in place to support the defense of Japan.

At Misawa Air Base, the US Air Force will upgrade its fleet from 36 F-16 aircraft to 48 F-35A aircraft, increasing both capacity and capability. (Picture source: US DoD)