According to Japanese media reports, after the Japanese Senate and House of Representatives passed the 2025 fiscal year government budget on March 31 this year, the Ministry of Defense released the summary of the 2025 fiscal year defense budget yesterday (April 2). According to this document, the budget for the "defense relations fee" approved by the Japanese Ministry of Defense in fiscal year 2025 is 8.4748 trillion yen (equivalent to about 422.485 billion yuan). If the cost of the "Okinawa Special Action Commission" (SACO) US military base (11.1 billion yen) and the restructuring cost of the US military stationed in Japan (214.6 billion yen), the total amount will reach 8.7005 trillion yen (about 433.1 billion yen). Compared with the 7.7249 trillion yen and 7.9496 trillion yen in fiscal 2024, it rose by about 9.71% and 9.45% respectively.

On April 2, the Japanese Ministry of Defense released the summary document of the 2025 fiscal year defense budget.

In the defense budget summary of this fiscal year, a variety of drones and missile weapons are among them. Two new drones have officially compiled relevant funds, namely, 41.5 billion yen (about 2.064 billion yuan) for the procurement of 2 MQ-9B "Sea Guardian" reconnaissance drones and related ground operating systems for the Maritime Self-Defense Force, and 4 billion yen (about 199 million yuan) for the procurement of 6 small carrier-based drones. Before the Maritime Self-Defense Force finalized the purchase of the MQ-9B drone, the Coast Security Bureau had chosen to introduce three MQ-9B drones in the form of leased from General Atomic Energy Corporation of the United States and put them into use. In addition, there are 3.2 billion yen (about 159 million yuan) of "small attack drones" (cruising missiles or suicide FPVs) for the first time, and 1.4 billion yen (about 69.7 million yuan) of unmanned ground vehicle (UGV) systems and long-term underwater submarines (UUVs) each. 18.3 billion yen was also invested in research on "ship-based laser systems" to deal with "small drones that may come in maritime environments."

The picture of this budget document builds a future "unmanned combat system" for Japan. The Ministry of Defense of Japan

After several rounds of test launches last year, the Ministry of Defense continued to spend 16.9 billion yen (about 840 million yuan) to purchase two sets of "Type 12 shore missile capability upward" launch devices for the Ground Self-Defense Force, and the first 16.8 billion yen (about 836 million yuan) to purchase ship-fired models, and continued to invest in the subsequent R&D tests of land-based, air-fired and ship-fired modifications of this series of missiles. As Japan's first "quasi-superior" weapon, the "high-speed skiing bomb for island defense" also received 3.7 billion yen (about 184 million yuan) of follow-up development funds and 29.3 billion yen (about 1.458 billion yuan) of purchase orders. In addition, the procurement of US-made "out-of-zone missiles" such as JSM, JASSM and Tomahawk are still continuing, and the research and development and testing of Japanese domestic hypersonic cruise missiles (Japanese writing "extreme supersonic induced missiles") are also continuing.

The space combat field is a more conspicuous part of the budget this fiscal year, such as 5.2 billion yen (260 million yuan) to trial-produce the "tactical AI satellite verification satellite" and 9.7 billion yen (484 million yuan) to develop the "new generation of defense technology verification satellites", and 3 billion yen (150 million yuan) to "research on improving HGV (high-speed glider) related technologies." In this field, the largest investment is the "building (low-orbit) satellite constellation". The project, which can be counted as the Self-Defense Force version of "Starlink" in a sense, is as high as 283.3 billion yen (14.1 billion yuan), accounting for about 3.25% of the total defense budget this year. In a single project expenditure, it exceeded 114 billion yen (5.693 billion yuan) of the procurement of a large whale conventional powered submarine. RMB), 205.2 billion yen (10.25 billion yuan) of 11 F-35s (8 F-35As and 3 F-35Bs) and 223.1 billion yen (11.136 billion yuan) of 4 KC-46As, second only to the 314.8 billion yen (15.722 billion yuan) of 3 new multi-purpose frigates (new FFM, the most advanced multi-purpose frigates).

Japanese "satellite constellation" concept social media

In addition to the expenditure projects in the new areas mentioned above, some of the main active equipment of the Self-Defense Forces are also facing the elimination of old and new equipment. For example, the Air Self-Defense Force has selected the US-made Bitch T-6A "Texas II" to replace the aging Fuji T-7 junior trainer aircraft; on the other hand, the first "Aegis" air defense missile destroyer of the Japan Maritime Self-Defense Force, the first ship of the King Kong type DDG-173 "King Kong" since it entered service on March 25, 1993, has been 32 years old and needs to be tested urgently. Considering the subsequent replacement ships, although the funds have been allocated in recent years to build two "Aegis System Carrier Ships" (AESV), AESV, as a substitute for the aborted "land-based Aegis", is not a normal "King Kong Ship". Therefore, the budget summary for this year also includes the content of "Implementing a Technical Survey to Research the Retirement of the King Kong Aegis Successor Ship", and a relevant budget of 2 billion yen (about 998.7 billion yuan) was initially compiled for this.

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