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Japan should discuss nuclear option: ex-Pentagon official

Tokyo not ready to deploy nukes, but ought to explore subject, says Schriver

American ballistic missile submarines are one part of the nuclear triad along with land-launched missiles and strategic aircraft carrying nuclear bombs and missiles. (Handout photo from the U.S. Navy)   © Reuters

WASHINGTON -- Calls for American allies to take greater roles in projecting U.S. deterrence capabilities amid the mounting security threats posed by China and North Korea's nuclear arsenals will test Japan's long opposition to hosting nuclear weapons.

China is expected to quadruple its number of nuclear warheads to 1,500 by 2035, the U.S. Defense Department said in a recent report. North Korea tested an intercontinental ballistic missile in November capable of hitting any target on the U.S. mainland.

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