Under direct orders from the new administration, Foreign Ministry officials launched a comprehensive investigation Friday into secret pacts with the United States, including an accord to allow entry of U.S. ships and aircraft carrying nuclear arms into Japan.

A team of 15 bureaucrats, who will be working under Vice Foreign Minister Mitoji Yabunaka, will look into 2,694 files related to the peace treaty between Japan and the U.S., 571 files related to the reversion of Okinawa and approximately 400 files stored at the Japanese Embassy in Washington.

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