To strengthen the amphibious combat capability of the Self-Defense Forces, Japan has decided to purchase the AAV7 amphibious assault vehicle from the United States. The latest disclosure shows that Japan is still quietly developing a new type of amphibious assault vehicle comparable to the US expeditionary combat vehicle. According to the US Yahoo News Network reported on the 24th, the prototype car has begun to test the pool, Mitsubishi tried to complete the dual goals of the armed self-defense amphibious force and enter the international market through this project.
Daily disclosure of new amphibious vehicles
According to the report, a senior US Marine Corps official visited Mitsubishi Heavy Industries in January this year to visit a prototype of a new type of amphibious assault vehicle. "This amphibious assault vehicle may one day become an important factor in Abe’s arms export policy. pillar". The car is said to have been upgraded from the main battle tank engine developed by Mitsubishi for the Self-Defense Forces and the new waterjet propulsion technology. The full-size prototype has entered the pool testing phase.
Mitsubishi’s designers believe that the new amphibious tank shown to the US Pacific Marine Corps Commander, General John Turan, has better water mobility and faster than the 40-year-old AAV7 amphibious assault vehicle. speed. The AAV-7 was used to carry the US Marines to the shore from an amphibious landing ship near the shore. It is said that Mitsubishi Heavy Industries wants to develop an armored vehicle that can sail at a speed of 20-25 knots on the water. In comparison, the current AAV7 amphibious armored car is about 7 knots. "If Japan's amphibious vehicles can sail at a speed of 20 knots on the surface without sacrificing land mobility, we will be very interested." An anonymous US Marine Corps official who had seen the prototype said, "We are still waiting to see if Japan can achieve design targets." According to the report, Mitsubishi Heavy Industries has a history of manufacturing armored vehicles for the Japanese military for 80 years since the 1930s. Today it is also developing fighter jets, naval vessels, submarines and missiles, and manufacturing high-speed marine engines and waterjet propulsion systems.
Strive to break into the international arms market
According to the report, an important target for the development of amphibious vehicles in Japan is the international market. After Abe’s ban on arms exports last April, manufacturers of World War II “Zero†fighters are smashing their arms export markets. The report said that the engine developed for the amphibious vehicle can also be installed in other armored vehicles. "For Mitsubishi Heavy Industries, this is an opportunity to push engine technology into overseas markets."
The international market that Japan is targeting is still mainly the United States. According to reports, amphibious vehicles are the core equipment of the Marine Corps in the world, but in recent decades, there has been no obvious technological advancement in such equipment. Due to technical problems and huge overruns, the tracked expeditionary combat vehicle project developed by General Dynamics for the US Marine Corps was cancelled in 2011. Last year, the US Marine Corps launched a new round of amphibious combat vehicles that can operate on coastlines and shallow waters. The US military industry source familiar with the amphibious vehicle program said that "Japan's technology is advanced enough that we must pay attention."
At present, Mitsubishi Heavy Industries has also discussed with the European and American companies to jointly develop the car. According to the report, a BAE spokesperson revealed that the company is discussing with Mitsubishi Heavy Industries as a potential car body design partner for the new Japanese amphibious vehicle. News from Japan said that General Dynamics is also in similar negotiations with Mitsubishi.
Tailored for the East China Sea dispute
The report believes that another goal of Japan's development of a new amphibious vehicle is to deal with the East China Sea dispute with China. Mitsubishi revealed that the prototype of the new amphibious vehicle has been displayed to the Japanese Defense Ministry. Japan established an amphibious force in 2012 and will be equipped with more than 50 AAV7. However, the speed of water on these vehicles was disappointing, forcing Japan to seek a new type of vehicle. In addition, the Self-Defense Forces believe that AAV7 is difficult to land on the shores filled with coral reefs, which is a common feature of the East China Sea islands.
Chinese experts interviewed by reporters believe that the island dispute between Japan and neighboring countries should be said to be the biggest internal driving force for the development of domestic advanced amphibious vehicles. But in the foreseeable future, Japan’s current amphibious combat power alone is not enough to support such demand. After all, the development cost and bicycle cost of advanced amphibious vehicles are very high. The US expeditionary combat vehicle has been unveiled for more than 20 years. A key issue is that the cost cannot be reduced. In 2011, the United States estimated the cost of bicycles to be as high as $18 million, based on a total of 573 units. If Japan is only equipped with dozens of vehicles, the cost of bicycles will inevitably be higher. In this case, development and manufacturing costs can only be shared by relying on the export market.
According to reports, from a technical point of view, amphibious vehicles need to achieve two key technologies for high water speed. The first is the high-powered engine. The engine power of the American Expeditionary Combat Vehicle is the engine of the self-combat tank. The power reaches 2025 horsepower, even larger than the current standard engine power of the main battle tank. This is why the Japanese-made amphibious tank engine was transplanted directly from the main battle tank engine. In addition, it is a specially designed “water drifting†body to reduce the resistance during high-speed sailing. Experts believe that even with the help of US companies, Japan can solve technical problems, but how to control costs is still an old problem that has plagued the Self-Defense Force for many years.
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