Kyodo News on 11 reported Japan defense minister Koizumi told a press conference that, in studies to revise the three security documents, Japan "does not rule out any option" on acquiring nuclear-powered submarines. Koizumi made similar remarks in Oc

2026-09-11

Kyodo News on 11 reported Japan defense minister Koizumi told a press conference that, in studies to revise the three security documents, Japan "does not rule out any option" on acquiring nuclear-powered submarines. Koizumi made similar remarks in October, saying propulsion for next-generation submarines "does not rule out any option."