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U.S., Japan Deepen Defense Ties With Expanded Drills and Joint Missile Production

The commitments signal a push for tighter deterrence in response to intensifying Chinese pressure.

Overview

  • Defense Secretary Pete Hegseth and Defense Minister Shinjiro Koizumi met at the Pentagon and pledged to strengthen the alliance, emphasizing “realistic” training across the first island chain.
  • Both governments agreed to expand joint production of air-to-air missiles and surface-to-air interceptors, with Japan highlighting a plan to ramp up SM-3 Block IIA output and broaden maintenance and repair cooperation.
  • Tokyo and Washington will increase “more sophisticated and practical” joint drills in Japan’s southwest, including the Nansei/Okinawa area, a focal point for operations near Taiwan.
  • Allies said they will deepen supply-chain cooperation, including critical minerals and drone-related components, to reduce vulnerabilities exposed by recent Chinese restrictions.
  • The transition of U.S. Forces Japan toward a more operational joint headquarters is progressing without a set timeline, as nominations to split the USFJ and Fifth Air Force commands await Senate action.