Japan Might Buy as Many as 40 F-35B Fighters, Report States
Japan is officially drawing up plans to acquire the F-35B, according to local media reports.
This week, The Yomiuri Shimbun, a Japanese newspaper, said that Shinzo Abe’s administration “is planning to indicate the number of [F-35B] aircraft to be procured in the next Medium Term Defense Program, which is to be compiled at the end of this year.” The story went on to report that the Abe government is “mulling including related expenses in the fiscal 2019 budget plan, with a view to starting the delivery of F-35Bs from around fiscal 2024.”
Sources told The Yomiuri Shimbun that one plan is for Tokyo to acquire between twenty to forty F-35Bs, which would correspond to one or two squadrons. The planes would serve as the successors to the F-15, the Japanese Air Self Defense Forces’ current workhorse aircraft. Currently, Japan operates around 200 F-15s. One 102 of these will remain in service after being upgraded with more modern equipment. The rest will be replaced by the F-35B and the successor to the F-2 jet, under the plan being considered.
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The F-35B is the U.S. Marine’s version of the Joint Strike Fighter. Unlike the other variants of the F-35, the F-35B is capable of short takeoff/vertical landing (STOVL). According to Lockheed Martin, the maker of the jet, it is the “the world’s first supersonic STOVL stealth aircraft.” As Lockheed Martin also notes, the F-35B “is designed to operate from austere bases and a range of air-capable ships near front-line combat zones.”
These features are the primary attraction of the jet to Japan. The Yomiuri Shimbun article notes that Tokyo is interested in the F-35B because it can operate from commercial air strips rather than requiring longer military air strips. Japan sees this as especially valuable because some of its most distant islands only maintain commercial airports. Thus, the F-35B could help defend these islands. It would also allow the planes to disperse if Japan’s military bases came under attack from a country like China’s ballistic missiles. “The minimum runway length required for the advanced fighter to take off is relatively short, making it more likely to be able to actually take off even when the airstrip at its home base is under attack,’ the article states.
Of course, as the article also notes, the F-35B would be the perfect aircraft if Japan wanted to operate fixed-wing aircraft from its Izumo-class helicopter destroyers, an idea I noted that Tokyo was considering back in December of last year. When the first of those massive helicopter destroyers was unveiled in 2013, many observers called it an “aircraft carrier in disguise.” It wasn’t hard to see why. The ship is roughly 250 meters (820 feet) long and displaces 24,000 tons. As I wrote back in 2013, the Izumo-class destroyers are about 50 percent bigger (in terms of displacement) than Japan’s then-largest ship, the Hyuga-class helicopter destroyer. Others have pointed out that the ships are actually larger than Spain and Italy’s short take-off and vertical landing (STOVL) aircraft carriers. And, for good measure, the Izumo-class helicopter destroyers—of which Japan currently has two—were built with a hanger that can handle fixed-wing aircraft.
Still, some modifications would have to be made for the F-35B to operate off of the Izumo-class destroyer. When Reuters first reported in December that Japan was considering this option, it reported that a refitting would be necessary. This would include “adding a curved ramp at the end of the flight deck, improving the deck's heat resistance against jet burners, and reinforcing the ship's air traffic control capability."