Japan completes naval laser trials, begins developing next prototype
Asuka (ASE-6102). (Hachiro Nakai)
Japan has completed a series of shipboard laser trials aboard its long‑serving experimental vessel JS Asuka and will now begin work on a new prototype as part of ongoing efforts to develop high‑energy naval weapons.
In a written response to questions from Janes, a Ministry of Defence (MoD) representative confirmed that the evaluations reached their conclusion at the end of February 2026.
“During the laser trial, we evaluated system performance under real maritime operating conditions,” the MoD spokesperson said.
“By the end of February, the trial had been largely completed, and the data obtained are currently being compiled and analysed,” the spokesperson added.
Drawing on this trial and previous research projects, Japan has now begun designing a new prototype high-energy laser system for naval vessels.
“This initiative aims to advance laser engagement and fire-control technologies as well as shipboard compatibility toward future installation,” the MoD spokesperson said.
No further details were provided on the set-up, but open-source images of Asuka indicate that the laser system is installed on the stern in a containerised arrangement.
It consists of a rounded turret with a prominent circular aperture for beam emission, and it sits atop a reinforced module that is assessed to house the system's internal electrical conditioning, cooling, and control equipment.
The placement, engineering, and stabilised form factor of the turret suggest a system optimised for precision aiming, environmental resilience, and controlled integration into a shipboard test environment.
Asuka is a destroyer‑like research and survey vessel, which was purpose‑built for the Japan Maritime Self‑Defense Force (JMSDF) to trial emerging naval technologies.
Its modular internal spaces, extensive instrumentation, and ability to accommodate non‑standard equipment have made it the JMSDF's primary experimental platform for almost three decades.
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