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OSI Detachment 401

OSI

Yokota Air Base, Fussa, Tokyo
042-552-2600 Official Website

Air Force Office of Special Investigations - Japan detachment. Conducts criminal investigations and counterintelligence operations.

Quick Facts

Type

Investigations

Branch

Air Force

established

1948

Official Resources

OSI HQ

Official website

Contacts & Services

Duty Agent

042-552-2600
24/7

Related U.S. Agency

NCIS

Yokosuka, Kanagawa

CID

Zama, Kanagawa

LEGATT

Tokyo, Tokyo

SF

Yokota, Tokyo

DoDEA

Yokohama, Kanagawa