The Digester
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Ex-adviser urges Japan to send warships to secure Strait of Hormuz

Former national security adviser Akihisa Nagashima told lawmakers Japan should consider sending warships to help secure the Strait of Hormuz with allied navies and that a special measures law would be needed without changing the constitution.

Mar 26th 2026 · Japan

Insights

  • Akihisa Nagashima, a former national security adviser, said Japan should join multinational naval efforts to protect ships in the Strait of Hormuz.
  • He said Japan could deploy warships to the area even before a ceasefire is reached.
  • A special measures law would be required to authorize such deployments under current legal rules.
  • Nagashima said the move could be done without amending Japan’s pacifist constitution.
  • He said the proposal would go beyond Japan’s past security roles but would aim to protect Japanese and allied commercial vessels.

Sources