The following represents an overview of the modern naval fighting capabilities of the Japan Maritime Self-Defense Force (2024). The service currently counts 102 total units in its active naval inventory. This total includes frontline commissioned vessels but excludes smaller patrol vessels, auxiliary / survey ships, replenishment, and historical ceremonial types. The WDMMW review takes into account specific categories of warships covering attack, defense, and general support designs. Inventory numbers and related unit types are provided as-is and derived from publically-available information / sources. "On Order" totals found at the bottom of this article are related to any future hulls currently under procurement/construction though said hulls may not be delivered for service in the current year for various reasons.
Updated: 11/07/2022 | © www.WDMMW.org
Helicopter Carriers (4)
Hulls focused on launching, retrieval, and maintenance of mulitiple rotary-wing platforms.
NOTES: The Izumo-class is classified locally as a Helicopter Destroyer, having qualities akin to a light aircraft carrier.
Submarines (22)
Hulls developed for undersea/submersible operation; nuclear-powered or conventionally-powered.
NOTES: Lead-ship JS Taigei is set to be commissioned in 2022 and serve as a test ship for its class.
Destroyers (42)
Multi-mission hulls developed for Blue Water environment; operating independently or as part of the main surface fleet.
NOTES: Abukuma-class warships are classified as Destroyer Escorts.
Frigates (3)
Hulls defined as dimensionally smaller than Destroyers, though larger than corvettes, having Blue Water capabilities.
Mine Warfare (22)
Hulls outfitted for the purpose of mine countermeasures/countermine warfare.
Offshore Patrol Vessels (6)
Hulls defined as OPVs and outfitted for the purpose of close-to-shore defense / deterrence.
Amphibious Assault (3)
Hulls designed specifically for the support of amphibious-minded, offshore / close-to-shore operations.
NOTES: JMSDF LSTs are also classified as Amphibious Transport Docks.
On Order (11)
Hulls set to be delivered in the current procurement year or in subsequent year(s).
On Order Commitment: 11 Units
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