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■Hydrographic and Oceanographic Department

■Maritime Traffic Department 　　　       ・For Your Safe Navigation 　　　       ・Maritime Information and Communication System

■International Collaboration ＆ Cooperation(comming soon)

■Publications 　　　       ・JAPAN COAST GUARD ANNUAL REPORT 　　　       ・Brochure of Japan Coast Guard 　　　       ・Brochure of Maritime Safety and Security Policy Program 　　　       ・Brochure of JCG Hydrographic and Oceanographic Department 　　　       ・Past and Present of the Aids to Navigation of Japan 　　　       ・VESSEL TRAFFIC SERVICE CENTER USER MANUAL 　　　       ・Centralizing Marine Traffic Control in Tokyo Bay