Japanese F-15J Eagle receives LRM and multiple target radar

TOKYO, ($1=116.02 Japanese Yens) — Japan’s pre-announced decision to upgrade nearly 100 of its 201 F-15J / DJ Eagle fighters will be corrected and the country will upgrade only 68 fighters to save money.

Four US F-15E fighters drop the GBU-53/B super-smart bomb
Photo credit: Eglin Air Force Base

This was learned by BulgarianMilitary.com citing sources from the Japanese Defense Ministry. The upgrade of 68 Boeing-Mitsubishi F-15J Eagle fighters is part of the Japan Super Interceptor (JSI) program.

According to the Ministry of Defense, the modernization includes the integration of long-range guided missiles, radars that can capture multiple targets simultaneously, increased payload, and expanded capabilities for electronic warfare.

The Ministry of Defense also states that the probable cost of living of 68 aircraft of the Japanese Air Force for 30 years [including modernization] will be 5.6 billion US dollars [646.5 billion Japanese yen].

It is worth noting that Japan will modernize a much smaller number of aircraft than previously thought. Thus, in 2020 the country planned to modernize 98 Japanese F-15J / DJ Eagle fighters, but it turned out to be expensive so in the end the number of aircraft was reduced by 30 to 68.

In addition, in August 2021, Japan refused to equip F-15J fighter jets with long-range anti-ship missiles LRASM from Lockheed Martin due to price and schedule problems.

The F-15J / DJ Eagle is a Japanese Air Force aircraft based on the McDonnell Douglas F-15 Eagle and manufactured under license by the Japanese company Mitsubishi Heavy Industries. As of March 2021, the Japanese Air Force has 201 F-15J / DJ Eagle fighters.

Engine for next-gen fighters

United Kingdom and Japan are starting joint work on the development of an engine for the next generation of Tempest and F-X fighters, as we reported in December.

The two countries have already signed a memorandum of co-operation, with the UK immediately investing £ 30m next year in spending on planning, digital design, and innovation. A crucial part of UK’s Combat Air Strategy, backed by £ 2 billion over the next four years.

The British company Rolls-Royce in Filton in Bristol will be one of the main drivers of the project, and they are expected to develop a full-scale demonstration power supply system that will provide thousands of jobs and additional funding of at least 200 million pounds from the British budget.

This joint program will support the development of the two next-generation fighters that the world will expect in the next four years – the British stealth fighter Tempest and the Japanese stealth fighter next-generation F-X. It is Japan’s future fighter jet that must replace existing Japanese F-2 aircraft.

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