This shift is now backed by hard cash: Tokyo has signed off on a record defence budget aimed squarely at a potential clash with China, rewriting assumptions that have framed Japanese security policy since the ashes of 1945.
A historic break with post-war pacifism
On 26 December 2025, Japan’s government approved a defence budget of roughly €56 billion for 2026. That pushes military spending to around 2% of GDP, a threshold long associated with NATO members, not with a country that once enshrined pacifism in its constitution.
For decades, Japan’s armed forces were officially labelled “Self-Defense Forces”, restricted to defending the homeland and avoiding offensive capabilities. That restraint is now being reinterpreted rather than abandoned outright.
Japan’s move to a €56 billion budget signals a structural shift: from a shielded pacifist posture to a state preparing for high-intensity war.
Officials in Tokyo frame the change as a response to a harsher strategic environment: a rapidly expanding Chinese navy, regular air and naval incursions around disputed islands, and growing missile arsenals in the region, including in North Korea.
Japan’s leaders argue that deterrence now requires credible offensive and defensive options far beyond its territorial waters.
Missiles built to hit far beyond Japan’s shores
A central feature of the new budget is long-range strike capability, something Japanese leaders once treated as virtually taboo. Around €6.2 billion will go into weapons often described as “counter-strike” or “out-of-area” systems.
That money funds an expanded family of Type 12 cruise missiles, reworked for greater range and multiple launch platforms: land, surface ships and submarines. New hypersonic weapons, designed to fly at more than five times the speed of sound and manoeuvre in flight, also receive funding.
Alongside domestic projects, Tokyo is buying US-made systems such as Tomahawk cruise missiles and JASSM air-launched weapons. These give Japan the theoretical capacity to hit command centres, missile launchers or ports deep inside an adversary’s territory.
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Long-range missiles shift Japan from a purely reactive force to one that can threaten high-value targets far from its own islands.
A layered shield against missile and air attacks
The second pillar of the plan is air and missile defence. Around €3.25 billion is earmarked for reinforcing Japan’s protective “bubble” against ballistic and cruise missiles.
This includes upgrades to the Aegis combat system deployed on Japanese destroyers, improvements to Patriot ground-based interceptors, and procurement of advanced SM-3 and SM-6 missiles. These systems form overlapping layers intended to detect, track and destroy incoming threats at different altitudes and ranges.
Japan is also modernising its radar network and the JADGE command-and-control system, aiming for faster, more automated responses. In practice, that means shaving seconds or minutes off the time between detecting a launch and firing an interceptor, which can make the difference between a successful defence and a devastating hit.
The gamble on drones and unmanned systems
Lessons from Ukraine have left a deep mark in Tokyo. Planners watched how cheap drones hunted tanks, harassed ships and overwhelmed air defences. Japan’s answer is a push into unmanned systems under an initiative known as SHIELD.
Funding will go into swarms of aerial, surface and underwater drones designed to confuse sensors, saturate enemy defences and scout contested waters. The idea is to force an opponent to waste expensive missiles on relatively cheap targets, while collecting data for Japanese commanders.
Tokyo is also acquiring four MQ-9B SeaGuardian drones from the US. These large aircraft can stay aloft for more than 30 hours, patrolling vast areas of the East and South China Seas, tracking ships and submarines, and feeding a constant stream of imagery and signals back to Japanese bases.
- Swarming drones: disrupt air defences and coastal batteries
- SeaGuardian patrols: long-range maritime surveillance and early warning
- Unmanned surface and subsurface craft: mine-hunting and coastal security
Stealthy warships and next-generation aircraft
The plan does not stop at robots. Japan is buying new Mogami-class frigates, designed with stealth features to reduce their radar signature and operate efficiently with smaller crews. Additional submarines and mine countermeasure vessels aim to keep sea lanes open around Japan’s southern islands.
In the air, Tokyo will purchase 11 more F-35 fighters, including short take-off and vertical landing variants that can operate from smaller runways or converted helicopter carriers. These jets, combined with aerial refuelling aircraft such as the KC-46A, allow Japanese pilots to project power farther from home.
New P-1 maritime patrol aircraft and SH-60L helicopters strengthen anti-submarine warfare, a critical mission in waters where Chinese and Japanese submarines already shadow each other.
The 2022 doctrine shift that made this possible
The budget does not appear from nowhere. In 2022, Japan published a revamped National Security Strategy that quietly rewrote long-standing assumptions. For the first time, it explicitly endorsed acquiring “counter-attack” capabilities, including the option of striking enemy bases if a missile attack seemed imminent.
What once sounded unthinkable for many Japanese voters is now presented as a form of self-defence adapted to modern threats. Missile flight times are short, cyber-attacks can blind radars, and relying solely on interceptors looks risky.
The 2026 budget translates that doctrinal shift into hardware, personnel and infrastructure, with a special focus on the Ryukyu island chain, stretching from Kyushu towards Taiwan and close to China’s coastline.
Key spending areas in 2026
| Category | Estimated amount | Main purpose |
| Long-range strike | €6.2 bn | Counter-attack beyond Japanese waters |
| Missile defence | €3.25 bn | Layered interception of incoming threats |
| Drones & MQ-9B SeaGuardian | €1.8 bn | Surveillance, targeting and saturation |
| F-35 and other aircraft | €1.4 bn | Air superiority and long-range operations |
| Frigates & submarines | €2.7 bn | Naval presence and sea-lane security |
| Total 2026 defence budget | €56 bn | Survive a first strike and hit back |
Tokyo’s long-term goal is clear: stand firm on the front line of any crisis without leaning entirely on US firepower.
A posture designed for a modern, missile-heavy war
Japanese planners are increasingly frank about the scenario they have in mind: a fast-moving, missile-saturated conflict in and around the “first island chain” that arcs from Japan through Taiwan to the Philippines.
The new posture tries to answer three basic questions. Can Japan keep its bases and key infrastructure functioning under heavy missile attack? Can it prevent a hostile navy from operating freely near the Ryukyus and Taiwan? And can it retaliate strongly enough to convince Beijing that a clash would be too costly?
Hence the focus on survivability: hardened bases, mobile launchers, dispersed stocks of ammunition, and redundant command networks. Ships, aircraft and ground units are being reorganised so that they can continue operating even if some facilities are destroyed in the first hours of a crisis.
What this shift means for ordinary Japanese citizens
For people in Japan, this change is not just about distant strategy papers. It affects taxes, local politics and even evacuation drills.
Communities in Okinawa and elsewhere are debating whether to accept new missile sites and ammunition depots. Some residents fear becoming targets. Others argue that without stronger defences, their islands will sit undefended between rival powers.
Public opinion polls show a mixed picture: anxiety about China and North Korea has risen sharply, but memories of war and nuclear attacks remain powerful. The government must constantly argue that deterrence and preparedness serve peace rather than undermine it.
Key terms and future scenarios
Two concepts sit at the heart of current debates. The first is “counter-strike capability”. In simple terms, this means being able to hit enemy launchers or bases if they are preparing to attack. Supporters say this reduces the risk of surprise missile barrages. Critics worry it blurs the line between defence and pre-emptive war.
The second is the “first island chain”. This describes the line of islands stretching from Japan through Taiwan and the Philippines. Military planners in both Beijing and Washington view this chain as the main barrier to Chinese naval expansion into the open Pacific. Japan, sitting at the northern end, becomes a crucial gatekeeper.
Analysts often sketch out crisis simulations. In one scenario, a confrontation around Taiwan escalates, and Chinese forces try to seize or neutralise islands in the Ryukyus. Japan responds with long-range missiles, drones and submarines to block amphibious landings and cut supply lines, while missile defences attempt to shield air bases and ports.
Such scenarios highlight the core risk: any miscalculation would draw multiple nuclear-armed states into the same narrow seas and skies. Supporters of Japan’s new course argue that strong, credible defences make those miscalculations less likely. Critics fear that more weapons and more overlapping red lines increase the chance of a spark.
What is certain is that the quiet, constitutionally constrained Japan of the late 20th century is fading. In its place stands a regional military power, still uneasy with its own past, yet preparing with unusual clarity for a conflict its leaders say they want to prevent at all costs.
