Japan considers submarine-launched cruise missiles
The JMSDF submarine JS Toryu utilises lithium-ion batteries, and would be a prime candidate for submarine-launched cruise missiles. (Koji Miyake)
Tokyo is considering equipping its submarines with a new underwater-launched cruise missile useful for both island defence and attacking enemy bases, according to the Yomiuri newspaper.
The latest Taigei-class submarines of the Japan Maritime Self-Defense Force (JMSDF) are equipped with lithium-ion batteries for stealthy operation and underwater mobility, so they could be ideal platforms for launching missiles.
The new cruise missile will be based on the 200km-range Type 12 anti-ship missile. Its initial maximum range will be 900km, ultimately developing to 1,500km.
Japan’s military has been developing an improved Type 12 missile but it will take five years to create
Already have an account? Log in
Want to keep reading this article?
More from Naval Warfare
-
US Pentagon claims to have severely damaged Iranian capabilities, promises to increase attacks
US military authorities claim to have sunk 20 Iranian vessels and destroyed Tehran’s Air Force, with the Pentagon making plans to send additional assets to the region.
-
Greece’s newly commissioned FDI frigate deployed to Cyprus
The recent naval modernisation efforts by the Hellenic Navy have been bolstered by the acquisition of advanced Naval Group frigates, the first of which was delivered in December 2025 and is now playing a crucial role in the latest Middle East conflict.
-
US Navy SPY-6 approaches FRP with Raytheon already having “a hot production line”
Jen Gauthier, Raytheon’s VP of Naval Systems and Sustainment, told Shephard that the company is awaiting the US Navy’s green light to move “fully into full-rate production”.
-
Ireland releases maritime strategy as it looks to new naval bases and stronger partnerships
Ireland has a maritime area ten times the size of its land mass but has a limited naval capacity and faces an ongoing threat to critical underwater infrastructure. A new strategy is looking to address the challenge.
-
What capabilities are being tested under AUKUS Pillar II?
Collaboration on AUKUS Pillar II extends beyond the core trilateral agreement, presenting global opportunities for companies with advanced technologies.