Japanese naval oil storage at Kure on 27 June 1941

The American Naval Attache at Tokyo wrote that the estimates were prepared after considerable research and consulting the British Naval Attache at Tokyo and reasonable correct. If available were past estimates placed in parenthesis. It was furthermore reliable reported that all naval oil tankage was kept filled to capacity meaning that indicated amounts were the very minimum of Japan.

At Kure were 20x10,000 ton tanks at Tobiwatase. Tanks at Kanakawa. Tanks at Akizaki. 24 Or more tanks in front of the naval barracks. 8 Small tanks north of the  Yoshiura Bay. Large underground storage at the north end of Yoshiura Bay. Large underground storage in hill. 3 Tanks east of tunnel thourgh the hill. Total estimated capaity 1,000,000 tons (632,000).

Source

National Archives USA. Record Group 38: Records of the Office of the Chief of Naval Operations. Series: Secret Naval Attaches Reports. Report dated Naval Attache at Tokyo dated 27 June 1941 No. 71/602-1000. M975-002.